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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    package org.apache.commons.net.ftp;<a name="line.18"></a>
<FONT color="green">019</FONT>    import java.io.BufferedInputStream;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.io.BufferedOutputStream;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.io.BufferedReader;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.io.IOException;<a name="line.22"></a>
<FONT color="green">023</FONT>    import java.io.InputStream;<a name="line.23"></a>
<FONT color="green">024</FONT>    import java.io.InputStreamReader;<a name="line.24"></a>
<FONT color="green">025</FONT>    import java.io.OutputStream;<a name="line.25"></a>
<FONT color="green">026</FONT>    import java.net.InetAddress;<a name="line.26"></a>
<FONT color="green">027</FONT>    import java.net.ServerSocket;<a name="line.27"></a>
<FONT color="green">028</FONT>    import java.net.Socket;<a name="line.28"></a>
<FONT color="green">029</FONT>    import java.util.ArrayList;<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>    import org.apache.commons.net.MalformedServerReplyException;<a name="line.31"></a>
<FONT color="green">032</FONT>    import org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory;<a name="line.32"></a>
<FONT color="green">033</FONT>    import org.apache.commons.net.ftp.parser.FTPFileEntryParserFactory;<a name="line.33"></a>
<FONT color="green">034</FONT>    import org.apache.commons.net.ftp.parser.ParserInitializationException;<a name="line.34"></a>
<FONT color="green">035</FONT>    import org.apache.commons.net.io.CopyStreamEvent;<a name="line.35"></a>
<FONT color="green">036</FONT>    import org.apache.commons.net.io.CopyStreamException;<a name="line.36"></a>
<FONT color="green">037</FONT>    import org.apache.commons.net.io.FromNetASCIIInputStream;<a name="line.37"></a>
<FONT color="green">038</FONT>    import org.apache.commons.net.io.ToNetASCIIOutputStream;<a name="line.38"></a>
<FONT color="green">039</FONT>    import org.apache.commons.net.io.Util;<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>    /***<a name="line.41"></a>
<FONT color="green">042</FONT>     * FTPClient encapsulates all the functionality necessary to store and<a name="line.42"></a>
<FONT color="green">043</FONT>     * retrieve files from an FTP server.  This class takes care of all<a name="line.43"></a>
<FONT color="green">044</FONT>     * low level details of interacting with an FTP server and provides<a name="line.44"></a>
<FONT color="green">045</FONT>     * a convenient higher level interface.  As with all classes derived<a name="line.45"></a>
<FONT color="green">046</FONT>     * from {@link org.apache.commons.net.SocketClient},<a name="line.46"></a>
<FONT color="green">047</FONT>     * you must first connect to the server with<a name="line.47"></a>
<FONT color="green">048</FONT>     * {@link org.apache.commons.net.SocketClient#connect  connect }<a name="line.48"></a>
<FONT color="green">049</FONT>     * before doing anything, and finally<a name="line.49"></a>
<FONT color="green">050</FONT>     * {@link org.apache.commons.net.SocketClient#disconnect  disconnect }<a name="line.50"></a>
<FONT color="green">051</FONT>     * after you're completely finished interacting with the server.<a name="line.51"></a>
<FONT color="green">052</FONT>     * Then you need to check the FTP reply code to see if the connection<a name="line.52"></a>
<FONT color="green">053</FONT>     * was successful.  For example:<a name="line.53"></a>
<FONT color="green">054</FONT>     * &lt;pre&gt;<a name="line.54"></a>
<FONT color="green">055</FONT>     *    boolean error = false;<a name="line.55"></a>
<FONT color="green">056</FONT>     *    try {<a name="line.56"></a>
<FONT color="green">057</FONT>     *      int reply;<a name="line.57"></a>
<FONT color="green">058</FONT>     *      ftp.connect("ftp.foobar.com");<a name="line.58"></a>
<FONT color="green">059</FONT>     *      System.out.println("Connected to " + server + ".");<a name="line.59"></a>
<FONT color="green">060</FONT>     *      System.out.print(ftp.getReplyString());<a name="line.60"></a>
<FONT color="green">061</FONT>     *<a name="line.61"></a>
<FONT color="green">062</FONT>     *      // After connection attempt, you should check the reply code to verify<a name="line.62"></a>
<FONT color="green">063</FONT>     *      // success.<a name="line.63"></a>
<FONT color="green">064</FONT>     *      reply = ftp.getReplyCode();<a name="line.64"></a>
<FONT color="green">065</FONT>     *<a name="line.65"></a>
<FONT color="green">066</FONT>     *      if(!FTPReply.isPositiveCompletion(reply)) {<a name="line.66"></a>
<FONT color="green">067</FONT>     *        ftp.disconnect();<a name="line.67"></a>
<FONT color="green">068</FONT>     *        System.err.println("FTP server refused connection.");<a name="line.68"></a>
<FONT color="green">069</FONT>     *        System.exit(1);<a name="line.69"></a>
<FONT color="green">070</FONT>     *      }<a name="line.70"></a>
<FONT color="green">071</FONT>     *      ... // transfer files<a name="line.71"></a>
<FONT color="green">072</FONT>     *      ftp.logout();<a name="line.72"></a>
<FONT color="green">073</FONT>     *    } catch(IOException e) {<a name="line.73"></a>
<FONT color="green">074</FONT>     *      error = true;<a name="line.74"></a>
<FONT color="green">075</FONT>     *      e.printStackTrace();<a name="line.75"></a>
<FONT color="green">076</FONT>     *    } finally {<a name="line.76"></a>
<FONT color="green">077</FONT>     *      if(ftp.isConnected()) {<a name="line.77"></a>
<FONT color="green">078</FONT>     *        try {<a name="line.78"></a>
<FONT color="green">079</FONT>     *          ftp.disconnect();<a name="line.79"></a>
<FONT color="green">080</FONT>     *        } catch(IOException ioe) {<a name="line.80"></a>
<FONT color="green">081</FONT>     *          // do nothing<a name="line.81"></a>
<FONT color="green">082</FONT>     *        }<a name="line.82"></a>
<FONT color="green">083</FONT>     *      }<a name="line.83"></a>
<FONT color="green">084</FONT>     *      System.exit(error ? 1 : 0);<a name="line.84"></a>
<FONT color="green">085</FONT>     *    }<a name="line.85"></a>
<FONT color="green">086</FONT>     * &lt;/pre&gt;<a name="line.86"></a>
<FONT color="green">087</FONT>     * &lt;p&gt;<a name="line.87"></a>
<FONT color="green">088</FONT>     * Immediately after connecting is the only real time you need to check the<a name="line.88"></a>
<FONT color="green">089</FONT>     * reply code (because connect is of type void).  The convention for all the<a name="line.89"></a>
<FONT color="green">090</FONT>     * FTP command methods in FTPClient is such that they either return a<a name="line.90"></a>
<FONT color="green">091</FONT>     * boolean value or some other value.<a name="line.91"></a>
<FONT color="green">092</FONT>     * The boolean methods return true on a successful completion reply from<a name="line.92"></a>
<FONT color="green">093</FONT>     * the FTP server and false on a reply resulting in an error condition or<a name="line.93"></a>
<FONT color="green">094</FONT>     * failure.  The methods returning a value other than boolean return a value<a name="line.94"></a>
<FONT color="green">095</FONT>     * containing the higher level data produced by the FTP command, or null if a<a name="line.95"></a>
<FONT color="green">096</FONT>     * reply resulted in an error condition or failure.  If you want to access<a name="line.96"></a>
<FONT color="green">097</FONT>     * the exact FTP reply code causing a success or failure, you must call<a name="line.97"></a>
<FONT color="green">098</FONT>     * {@link org.apache.commons.net.ftp.FTP#getReplyCode  getReplyCode } after<a name="line.98"></a>
<FONT color="green">099</FONT>     * a success or failure.<a name="line.99"></a>
<FONT color="green">100</FONT>     * &lt;p&gt;<a name="line.100"></a>
<FONT color="green">101</FONT>     * The default settings for FTPClient are for it to use<a name="line.101"></a>
<FONT color="green">102</FONT>     * &lt;code&gt; FTP.ASCII_FILE_TYPE &lt;/code&gt;,<a name="line.102"></a>
<FONT color="green">103</FONT>     * &lt;code&gt; FTP.NON_PRINT_TEXT_FORMAT &lt;/code&gt;,<a name="line.103"></a>
<FONT color="green">104</FONT>     * &lt;code&gt; FTP.STREAM_TRANSFER_MODE &lt;/code&gt;, and<a name="line.104"></a>
<FONT color="green">105</FONT>     * &lt;code&gt; FTP.FILE_STRUCTURE &lt;/code&gt;.  The only file types directly supported<a name="line.105"></a>
<FONT color="green">106</FONT>     * are &lt;code&gt; FTP.ASCII_FILE_TYPE &lt;/code&gt; and<a name="line.106"></a>
<FONT color="green">107</FONT>     * &lt;code&gt; FTP.BINARY_FILE_TYPE &lt;/code&gt;.  Because there are at least 4<a name="line.107"></a>
<FONT color="green">108</FONT>     * different EBCDIC encodings, we have opted not to provide direct support<a name="line.108"></a>
<FONT color="green">109</FONT>     * for EBCDIC.  To transfer EBCDIC and other unsupported file types you<a name="line.109"></a>
<FONT color="green">110</FONT>     * must create your own filter InputStreams and OutputStreams and wrap<a name="line.110"></a>
<FONT color="green">111</FONT>     * them around the streams returned or required by the FTPClient methods.<a name="line.111"></a>
<FONT color="green">112</FONT>     * FTPClient uses the {@link ToNetASCIIOutputStream NetASCII}  <a name="line.112"></a>
<FONT color="green">113</FONT>     * filter streams to provide transparent handling of ASCII files.  We will <a name="line.113"></a>
<FONT color="green">114</FONT>     * consider incorporating EBCDIC support if there is enough demand.<a name="line.114"></a>
<FONT color="green">115</FONT>     * &lt;p&gt;<a name="line.115"></a>
<FONT color="green">116</FONT>     * &lt;code&gt; FTP.NON_PRINT_TEXT_FORMAT &lt;/code&gt;,<a name="line.116"></a>
<FONT color="green">117</FONT>     * &lt;code&gt; FTP.STREAM_TRANSFER_MODE &lt;/code&gt;, and<a name="line.117"></a>
<FONT color="green">118</FONT>     * &lt;code&gt; FTP.FILE_STRUCTURE &lt;/code&gt; are the only supported formats,<a name="line.118"></a>
<FONT color="green">119</FONT>     * transfer modes, and file structures.<a name="line.119"></a>
<FONT color="green">120</FONT>     * &lt;p&gt;<a name="line.120"></a>
<FONT color="green">121</FONT>     * Because the handling of sockets on different platforms can differ<a name="line.121"></a>
<FONT color="green">122</FONT>     * significantly, the FTPClient automatically issues a new PORT command<a name="line.122"></a>
<FONT color="green">123</FONT>     * prior to every transfer requiring that the server connect to the client's<a name="line.123"></a>
<FONT color="green">124</FONT>     * data port.  This ensures identical problem-free behavior on Windows, Unix,<a name="line.124"></a>
<FONT color="green">125</FONT>     * and Macintosh platforms.  Additionally, it relieves programmers from<a name="line.125"></a>
<FONT color="green">126</FONT>     * having to issue the PORT command themselves and dealing with platform<a name="line.126"></a>
<FONT color="green">127</FONT>     * dependent issues.<a name="line.127"></a>
<FONT color="green">128</FONT>     * &lt;p&gt;<a name="line.128"></a>
<FONT color="green">129</FONT>     * Additionally, for security purposes, all data connections to the<a name="line.129"></a>
<FONT color="green">130</FONT>     * client are verified to ensure that they originated from the intended<a name="line.130"></a>
<FONT color="green">131</FONT>     * party (host and port).  If a data connection is initiated by an unexpected<a name="line.131"></a>
<FONT color="green">132</FONT>     * party, the command will close the socket and throw an IOException.  You<a name="line.132"></a>
<FONT color="green">133</FONT>     * may disable this behavior with<a name="line.133"></a>
<FONT color="green">134</FONT>     * {@link #setRemoteVerificationEnabled setRemoteVerificationEnabled()}.<a name="line.134"></a>
<FONT color="green">135</FONT>     * &lt;p&gt;<a name="line.135"></a>
<FONT color="green">136</FONT>     * You should keep in mind that the FTP server may choose to prematurely<a name="line.136"></a>
<FONT color="green">137</FONT>     * close a connection if the client has been idle for longer than a<a name="line.137"></a>
<FONT color="green">138</FONT>     * given time period (usually 900 seconds).  The FTPClient class will detect a<a name="line.138"></a>
<FONT color="green">139</FONT>     * premature FTP server connection closing when it receives a<a name="line.139"></a>
<FONT color="green">140</FONT>     * {@link org.apache.commons.net.ftp.FTPReply#SERVICE_NOT_AVAILABLE FTPReply.SERVICE_NOT_AVAILABLE }<a name="line.140"></a>
<FONT color="green">141</FONT>     *  response to a command.<a name="line.141"></a>
<FONT color="green">142</FONT>     * When that occurs, the FTP class method encountering that reply will throw<a name="line.142"></a>
<FONT color="green">143</FONT>     * an {@link org.apache.commons.net.ftp.FTPConnectionClosedException}<a name="line.143"></a>
<FONT color="green">144</FONT>     * .<a name="line.144"></a>
<FONT color="green">145</FONT>     * &lt;code&gt;FTPConnectionClosedException&lt;/code&gt;<a name="line.145"></a>
<FONT color="green">146</FONT>     * is a subclass of &lt;code&gt; IOException &lt;/code&gt; and therefore need not be<a name="line.146"></a>
<FONT color="green">147</FONT>     * caught separately, but if you are going to catch it separately, its<a name="line.147"></a>
<FONT color="green">148</FONT>     * catch block must appear before the more general &lt;code&gt; IOException &lt;/code&gt;<a name="line.148"></a>
<FONT color="green">149</FONT>     * catch block.  When you encounter an<a name="line.149"></a>
<FONT color="green">150</FONT>     * {@link org.apache.commons.net.ftp.FTPConnectionClosedException}<a name="line.150"></a>
<FONT color="green">151</FONT>     * , you must disconnect the connection with<a name="line.151"></a>
<FONT color="green">152</FONT>     * {@link #disconnect  disconnect() } to properly clean up the<a name="line.152"></a>
<FONT color="green">153</FONT>     * system resources used by FTPClient.  Before disconnecting, you may check the<a name="line.153"></a>
<FONT color="green">154</FONT>     * last reply code and text with<a name="line.154"></a>
<FONT color="green">155</FONT>     * {@link org.apache.commons.net.ftp.FTP#getReplyCode  getReplyCode },<a name="line.155"></a>
<FONT color="green">156</FONT>     * {@link org.apache.commons.net.ftp.FTP#getReplyString  getReplyString },<a name="line.156"></a>
<FONT color="green">157</FONT>     * and<a name="line.157"></a>
<FONT color="green">158</FONT>     * {@link org.apache.commons.net.ftp.FTP#getReplyStrings  getReplyStrings}.<a name="line.158"></a>
<FONT color="green">159</FONT>     * You may avoid server disconnections while the client is idle by<a name="line.159"></a>
<FONT color="green">160</FONT>     * periodicaly sending NOOP commands to the server.<a name="line.160"></a>
<FONT color="green">161</FONT>     * &lt;p&gt;<a name="line.161"></a>
<FONT color="green">162</FONT>     * Rather than list it separately for each method, we mention here that<a name="line.162"></a>
<FONT color="green">163</FONT>     * every method communicating with the server and throwing an IOException<a name="line.163"></a>
<FONT color="green">164</FONT>     * can also throw a<a name="line.164"></a>
<FONT color="green">165</FONT>     * {@link org.apache.commons.net.MalformedServerReplyException}<a name="line.165"></a>
<FONT color="green">166</FONT>     * , which is a subclass<a name="line.166"></a>
<FONT color="green">167</FONT>     * of IOException.  A MalformedServerReplyException will be thrown when<a name="line.167"></a>
<FONT color="green">168</FONT>     * the reply received from the server deviates enough from the protocol<a name="line.168"></a>
<FONT color="green">169</FONT>     * specification that it cannot be interpreted in a useful manner despite<a name="line.169"></a>
<FONT color="green">170</FONT>     * attempts to be as lenient as possible.<a name="line.170"></a>
<FONT color="green">171</FONT>     * &lt;p&gt;<a name="line.171"></a>
<FONT color="green">172</FONT>     * Listing API Examples<a name="line.172"></a>
<FONT color="green">173</FONT>     * Both paged and unpaged examples of directory listings are available,<a name="line.173"></a>
<FONT color="green">174</FONT>     * as follows:<a name="line.174"></a>
<FONT color="green">175</FONT>     * &lt;p&gt;<a name="line.175"></a>
<FONT color="green">176</FONT>     * Unpaged (whole list) access, using a parser accessible by auto-detect:<a name="line.176"></a>
<FONT color="green">177</FONT>     * &lt;pre&gt;<a name="line.177"></a>
<FONT color="green">178</FONT>     *    FTPClient f=FTPClient();<a name="line.178"></a>
<FONT color="green">179</FONT>     *    f.connect(server);<a name="line.179"></a>
<FONT color="green">180</FONT>     *    f.login(username, password);<a name="line.180"></a>
<FONT color="green">181</FONT>     *    FTPFile[] files = listFiles(directory);<a name="line.181"></a>
<FONT color="green">182</FONT>     * &lt;/pre&gt;<a name="line.182"></a>
<FONT color="green">183</FONT>     * &lt;p&gt;<a name="line.183"></a>
<FONT color="green">184</FONT>     * Paged access, using a parser not accessible by auto-detect.  The class<a name="line.184"></a>
<FONT color="green">185</FONT>     * defined in the first parameter of initateListParsing should be derived<a name="line.185"></a>
<FONT color="green">186</FONT>     * from org.apache.commons.net.FTPFileEntryParser:<a name="line.186"></a>
<FONT color="green">187</FONT>     * &lt;pre&gt;<a name="line.187"></a>
<FONT color="green">188</FONT>     *    FTPClient f=FTPClient();<a name="line.188"></a>
<FONT color="green">189</FONT>     *    f.connect(server);<a name="line.189"></a>
<FONT color="green">190</FONT>     *    f.login(username, password);<a name="line.190"></a>
<FONT color="green">191</FONT>     *    FTPListParseEngine engine =<a name="line.191"></a>
<FONT color="green">192</FONT>     *       f.initiateListParsing("com.whatever.YourOwnParser", directory);<a name="line.192"></a>
<FONT color="green">193</FONT>     *<a name="line.193"></a>
<FONT color="green">194</FONT>     *    while (engine.hasNext()) {<a name="line.194"></a>
<FONT color="green">195</FONT>     *       FTPFile[] files = engine.getNext(25);  // "page size" you want<a name="line.195"></a>
<FONT color="green">196</FONT>     *       //do whatever you want with these files, display them, etc.<a name="line.196"></a>
<FONT color="green">197</FONT>     *       //expensive FTPFile objects not created until needed.<a name="line.197"></a>
<FONT color="green">198</FONT>     *    }<a name="line.198"></a>
<FONT color="green">199</FONT>     * &lt;/pre&gt;<a name="line.199"></a>
<FONT color="green">200</FONT>     * &lt;p&gt;<a name="line.200"></a>
<FONT color="green">201</FONT>     * Paged access, using a parser accessible by auto-detect:<a name="line.201"></a>
<FONT color="green">202</FONT>     * &lt;pre&gt;<a name="line.202"></a>
<FONT color="green">203</FONT>     *    FTPClient f=FTPClient();<a name="line.203"></a>
<FONT color="green">204</FONT>     *    f.connect(server);<a name="line.204"></a>
<FONT color="green">205</FONT>     *    f.login(username, password);<a name="line.205"></a>
<FONT color="green">206</FONT>     *    FTPListParseEngine engine = f.initiateListParsing(directory);<a name="line.206"></a>
<FONT color="green">207</FONT>     *<a name="line.207"></a>
<FONT color="green">208</FONT>     *    while (engine.hasNext()) {<a name="line.208"></a>
<FONT color="green">209</FONT>     *       FTPFile[] files = engine.getNext(25);  // "page size" you want<a name="line.209"></a>
<FONT color="green">210</FONT>     *       //do whatever you want with these files, display them, etc.<a name="line.210"></a>
<FONT color="green">211</FONT>     *       //expensive FTPFile objects not created until needed.<a name="line.211"></a>
<FONT color="green">212</FONT>     *    }<a name="line.212"></a>
<FONT color="green">213</FONT>     * &lt;/pre&gt;<a name="line.213"></a>
<FONT color="green">214</FONT>     * &lt;p&gt;<a name="line.214"></a>
<FONT color="green">215</FONT>     * For examples of using FTPClient on servers whose directory listings <a name="line.215"></a>
<FONT color="green">216</FONT>     * &lt;ul&gt; <a name="line.216"></a>
<FONT color="green">217</FONT>     * &lt;li&gt;use languages other than English&lt;/li&gt;<a name="line.217"></a>
<FONT color="green">218</FONT>     * &lt;li&gt;use date formats other than the American English "standard" &lt;code&gt;MM d yyyy&lt;/code&gt;&lt;/li&gt;<a name="line.218"></a>
<FONT color="green">219</FONT>     * &lt;li&gt;are in different timezones and you need accurate timestamps for dependency checking <a name="line.219"></a>
<FONT color="green">220</FONT>     *     as in Ant&lt;/li&gt;<a name="line.220"></a>
<FONT color="green">221</FONT>     * &lt;/ul&gt;see {@link  FTPClientConfig  FTPClientConfig}.<a name="line.221"></a>
<FONT color="green">222</FONT>     * &lt;p&gt; <a name="line.222"></a>
<FONT color="green">223</FONT>     * @author Daniel F. Savarese<a name="line.223"></a>
<FONT color="green">224</FONT>     * @author Rory Winston<a name="line.224"></a>
<FONT color="green">225</FONT>     * @see FTP<a name="line.225"></a>
<FONT color="green">226</FONT>     * @see FTPConnectionClosedException<a name="line.226"></a>
<FONT color="green">227</FONT>     * @see FTPFileEntryParser<a name="line.227"></a>
<FONT color="green">228</FONT>     * @see FTPFileEntryParserFactory<a name="line.228"></a>
<FONT color="green">229</FONT>     * @see DefaultFTPFileEntryParserFactory<a name="line.229"></a>
<FONT color="green">230</FONT>     * @see FTPClientConfig<a name="line.230"></a>
<FONT color="green">231</FONT>     * <a name="line.231"></a>
<FONT color="green">232</FONT>     * @see org.apache.commons.net.MalformedServerReplyException<a name="line.232"></a>
<FONT color="green">233</FONT>     **/<a name="line.233"></a>
<FONT color="green">234</FONT>    public class FTPClient extends FTP<a name="line.234"></a>
<FONT color="green">235</FONT>    implements Configurable<a name="line.235"></a>
<FONT color="green">236</FONT>    {<a name="line.236"></a>
<FONT color="green">237</FONT>        /***<a name="line.237"></a>
<FONT color="green">238</FONT>         * A constant indicating the FTP session is expecting all transfers<a name="line.238"></a>
<FONT color="green">239</FONT>         * to occur between the client (local) and server and that the server<a name="line.239"></a>
<FONT color="green">240</FONT>         * should connect to the client's data port to initiate a data transfer.<a name="line.240"></a>
<FONT color="green">241</FONT>         * This is the default data connection mode when and FTPClient instance<a name="line.241"></a>
<FONT color="green">242</FONT>         * is created.<a name="line.242"></a>
<FONT color="green">243</FONT>         ***/<a name="line.243"></a>
<FONT color="green">244</FONT>        public static final int ACTIVE_LOCAL_DATA_CONNECTION_MODE = 0;<a name="line.244"></a>
<FONT color="green">245</FONT>        /***<a name="line.245"></a>
<FONT color="green">246</FONT>         * A constant indicating the FTP session is expecting all transfers<a name="line.246"></a>
<FONT color="green">247</FONT>         * to occur between two remote servers and that the server<a name="line.247"></a>
<FONT color="green">248</FONT>         * the client is connected to should connect to the other server's<a name="line.248"></a>
<FONT color="green">249</FONT>         * data port to initiate a data transfer.<a name="line.249"></a>
<FONT color="green">250</FONT>         ***/<a name="line.250"></a>
<FONT color="green">251</FONT>        public static final int ACTIVE_REMOTE_DATA_CONNECTION_MODE = 1;<a name="line.251"></a>
<FONT color="green">252</FONT>        /***<a name="line.252"></a>
<FONT color="green">253</FONT>         * A constant indicating the FTP session is expecting all transfers<a name="line.253"></a>
<FONT color="green">254</FONT>         * to occur between the client (local) and server and that the server<a name="line.254"></a>
<FONT color="green">255</FONT>         * is in passive mode, requiring the client to connect to the<a name="line.255"></a>
<FONT color="green">256</FONT>         * server's data port to initiate a transfer.<a name="line.256"></a>
<FONT color="green">257</FONT>         ***/<a name="line.257"></a>
<FONT color="green">258</FONT>        public static final int PASSIVE_LOCAL_DATA_CONNECTION_MODE = 2;<a name="line.258"></a>
<FONT color="green">259</FONT>        /***<a name="line.259"></a>
<FONT color="green">260</FONT>         * A constant indicating the FTP session is expecting all transfers<a name="line.260"></a>
<FONT color="green">261</FONT>         * to occur between two remote servers and that the server<a name="line.261"></a>
<FONT color="green">262</FONT>         * the client is connected to is in passive mode, requiring the other<a name="line.262"></a>
<FONT color="green">263</FONT>         * server to connect to the first server's data port to initiate a data<a name="line.263"></a>
<FONT color="green">264</FONT>         * transfer.<a name="line.264"></a>
<FONT color="green">265</FONT>         ***/<a name="line.265"></a>
<FONT color="green">266</FONT>        public static final int PASSIVE_REMOTE_DATA_CONNECTION_MODE = 3;<a name="line.266"></a>
<FONT color="green">267</FONT>    <a name="line.267"></a>
<FONT color="green">268</FONT>        private int __dataConnectionMode, __dataTimeout;<a name="line.268"></a>
<FONT color="green">269</FONT>        private int __passivePort;<a name="line.269"></a>
<FONT color="green">270</FONT>        private String __passiveHost;<a name="line.270"></a>
<FONT color="green">271</FONT>        private int __fileType, __fileFormat, __fileStructure, __fileTransferMode;<a name="line.271"></a>
<FONT color="green">272</FONT>        private boolean __remoteVerificationEnabled;<a name="line.272"></a>
<FONT color="green">273</FONT>        private long __restartOffset;<a name="line.273"></a>
<FONT color="green">274</FONT>        private FTPFileEntryParserFactory __parserFactory;<a name="line.274"></a>
<FONT color="green">275</FONT>        private int __bufferSize;<a name="line.275"></a>
<FONT color="green">276</FONT>        private boolean __listHiddenFiles;<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>        // __systemName is a cached value that should not be referenced directly<a name="line.278"></a>
<FONT color="green">279</FONT>        // except when assigned in getSystemName and __initDefaults.<a name="line.279"></a>
<FONT color="green">280</FONT>        private String __systemName;<a name="line.280"></a>
<FONT color="green">281</FONT>    <a name="line.281"></a>
<FONT color="green">282</FONT>        // __entryParser is a cached value that should not be referenced directly<a name="line.282"></a>
<FONT color="green">283</FONT>        // except when assigned in listFiles(String, String) and __initDefaults.<a name="line.283"></a>
<FONT color="green">284</FONT>        private FTPFileEntryParser __entryParser;<a name="line.284"></a>
<FONT color="green">285</FONT>        <a name="line.285"></a>
<FONT color="green">286</FONT>        private FTPClientConfig __configuration;<a name="line.286"></a>
<FONT color="green">287</FONT>    <a name="line.287"></a>
<FONT color="green">288</FONT>        /** Pattern for PASV mode responses */ <a name="line.288"></a>
<FONT color="green">289</FONT>        private static String __parms = "\\d{1,3},\\d{1,3},\\d{1,3},\\d{1,3},\\d{1,3},\\d{1,3}";<a name="line.289"></a>
<FONT color="green">290</FONT>        private static java.util.regex.Pattern __parms_pat;<a name="line.290"></a>
<FONT color="green">291</FONT>        static {<a name="line.291"></a>
<FONT color="green">292</FONT>           __parms_pat = java.util.regex.Pattern.compile(__parms);<a name="line.292"></a>
<FONT color="green">293</FONT>        }<a name="line.293"></a>
<FONT color="green">294</FONT>    <a name="line.294"></a>
<FONT color="green">295</FONT>        /***<a name="line.295"></a>
<FONT color="green">296</FONT>         * Default FTPClient constructor.  Creates a new FTPClient instance<a name="line.296"></a>
<FONT color="green">297</FONT>         * with the data connection mode set to<a name="line.297"></a>
<FONT color="green">298</FONT>         * &lt;code&gt; ACTIVE_LOCAL_DATA_CONNECTION_MODE &lt;/code&gt;, the file type<a name="line.298"></a>
<FONT color="green">299</FONT>         * set to &lt;code&gt; FTP.ASCII_FILE_TYPE &lt;/code&gt;, the<a name="line.299"></a>
<FONT color="green">300</FONT>         * file format set to &lt;code&gt; FTP.NON_PRINT_TEXT_FORMAT &lt;/code&gt;,<a name="line.300"></a>
<FONT color="green">301</FONT>         * the file structure set to &lt;code&gt; FTP.FILE_STRUCTURE &lt;/code&gt;, and<a name="line.301"></a>
<FONT color="green">302</FONT>         * the transfer mode set to &lt;code&gt; FTP.STREAM_TRANSFER_MODE &lt;/code&gt;.<a name="line.302"></a>
<FONT color="green">303</FONT>         ***/<a name="line.303"></a>
<FONT color="green">304</FONT>        public FTPClient()<a name="line.304"></a>
<FONT color="green">305</FONT>        {<a name="line.305"></a>
<FONT color="green">306</FONT>            __initDefaults();<a name="line.306"></a>
<FONT color="green">307</FONT>            __dataTimeout = -1;<a name="line.307"></a>
<FONT color="green">308</FONT>            __remoteVerificationEnabled = true;<a name="line.308"></a>
<FONT color="green">309</FONT>            __parserFactory = new DefaultFTPFileEntryParserFactory();<a name="line.309"></a>
<FONT color="green">310</FONT>            __configuration      = null;<a name="line.310"></a>
<FONT color="green">311</FONT>            __listHiddenFiles = false;<a name="line.311"></a>
<FONT color="green">312</FONT>        }<a name="line.312"></a>
<FONT color="green">313</FONT>    <a name="line.313"></a>
<FONT color="green">314</FONT>    <a name="line.314"></a>
<FONT color="green">315</FONT>        private void __initDefaults()<a name="line.315"></a>
<FONT color="green">316</FONT>        {<a name="line.316"></a>
<FONT color="green">317</FONT>            __dataConnectionMode = ACTIVE_LOCAL_DATA_CONNECTION_MODE;<a name="line.317"></a>
<FONT color="green">318</FONT>            __passiveHost        = null;<a name="line.318"></a>
<FONT color="green">319</FONT>            __passivePort        = -1;<a name="line.319"></a>
<FONT color="green">320</FONT>            __fileType           = FTP.ASCII_FILE_TYPE;<a name="line.320"></a>
<FONT color="green">321</FONT>            __fileStructure      = FTP.FILE_STRUCTURE;<a name="line.321"></a>
<FONT color="green">322</FONT>            __fileFormat         = FTP.NON_PRINT_TEXT_FORMAT;<a name="line.322"></a>
<FONT color="green">323</FONT>            __fileTransferMode   = FTP.STREAM_TRANSFER_MODE;<a name="line.323"></a>
<FONT color="green">324</FONT>            __restartOffset      = 0;<a name="line.324"></a>
<FONT color="green">325</FONT>            __systemName         = null;<a name="line.325"></a>
<FONT color="green">326</FONT>            __entryParser        = null;<a name="line.326"></a>
<FONT color="green">327</FONT>            __bufferSize         = Util.DEFAULT_COPY_BUFFER_SIZE;<a name="line.327"></a>
<FONT color="green">328</FONT>        }<a name="line.328"></a>
<FONT color="green">329</FONT>        <a name="line.329"></a>
<FONT color="green">330</FONT>        private String __parsePathname(String reply)<a name="line.330"></a>
<FONT color="green">331</FONT>        {<a name="line.331"></a>
<FONT color="green">332</FONT>            int begin, end;<a name="line.332"></a>
<FONT color="green">333</FONT>    <a name="line.333"></a>
<FONT color="green">334</FONT>            begin = reply.indexOf('"') + 1;<a name="line.334"></a>
<FONT color="green">335</FONT>            end = reply.indexOf('"', begin);<a name="line.335"></a>
<FONT color="green">336</FONT>    <a name="line.336"></a>
<FONT color="green">337</FONT>            return reply.substring(begin, end);<a name="line.337"></a>
<FONT color="green">338</FONT>        }<a name="line.338"></a>
<FONT color="green">339</FONT>    <a name="line.339"></a>
<FONT color="green">340</FONT>    <a name="line.340"></a>
<FONT color="green">341</FONT>        private void __parsePassiveModeReply(String reply)<a name="line.341"></a>
<FONT color="green">342</FONT>        throws MalformedServerReplyException<a name="line.342"></a>
<FONT color="green">343</FONT>        {<a name="line.343"></a>
<FONT color="green">344</FONT>            java.util.regex.Matcher m = __parms_pat.matcher(reply);<a name="line.344"></a>
<FONT color="green">345</FONT>            if (!m.find()) {<a name="line.345"></a>
<FONT color="green">346</FONT>                throw new MalformedServerReplyException(<a name="line.346"></a>
<FONT color="green">347</FONT>                    "Could not parse passive host information.\nServer Reply: " + reply);<a name="line.347"></a>
<FONT color="green">348</FONT>            }<a name="line.348"></a>
<FONT color="green">349</FONT>            reply = m.group();<a name="line.349"></a>
<FONT color="green">350</FONT>            String parts[] = m.group().split(",");<a name="line.350"></a>
<FONT color="green">351</FONT>            <a name="line.351"></a>
<FONT color="green">352</FONT>            __passiveHost = parts[0] + '.' + parts[1] + '.' + parts[2] + '.' + parts[3];<a name="line.352"></a>
<FONT color="green">353</FONT>    <a name="line.353"></a>
<FONT color="green">354</FONT>            try<a name="line.354"></a>
<FONT color="green">355</FONT>            {<a name="line.355"></a>
<FONT color="green">356</FONT>                int oct1 = Integer.parseInt(parts[4]);<a name="line.356"></a>
<FONT color="green">357</FONT>                int oct2 = Integer.parseInt(parts[5]);<a name="line.357"></a>
<FONT color="green">358</FONT>                __passivePort = (oct1 &lt;&lt; 8) | oct2;<a name="line.358"></a>
<FONT color="green">359</FONT>            }<a name="line.359"></a>
<FONT color="green">360</FONT>            catch (NumberFormatException e)<a name="line.360"></a>
<FONT color="green">361</FONT>            {<a name="line.361"></a>
<FONT color="green">362</FONT>                throw new MalformedServerReplyException(<a name="line.362"></a>
<FONT color="green">363</FONT>                    "Could not parse passive host information.\nServer Reply: " + reply);<a name="line.363"></a>
<FONT color="green">364</FONT>            }<a name="line.364"></a>
<FONT color="green">365</FONT>    <a name="line.365"></a>
<FONT color="green">366</FONT>        }<a name="line.366"></a>
<FONT color="green">367</FONT>    <a name="line.367"></a>
<FONT color="green">368</FONT>        private boolean __storeFile(int command, String remote, InputStream local)<a name="line.368"></a>
<FONT color="green">369</FONT>        throws IOException<a name="line.369"></a>
<FONT color="green">370</FONT>        {<a name="line.370"></a>
<FONT color="green">371</FONT>            OutputStream output;<a name="line.371"></a>
<FONT color="green">372</FONT>            Socket socket;<a name="line.372"></a>
<FONT color="green">373</FONT>    <a name="line.373"></a>
<FONT color="green">374</FONT>            if ((socket = _openDataConnection_(command, remote)) == null)<a name="line.374"></a>
<FONT color="green">375</FONT>                return false;<a name="line.375"></a>
<FONT color="green">376</FONT>    <a name="line.376"></a>
<FONT color="green">377</FONT>            output = new BufferedOutputStream(socket.getOutputStream(),<a name="line.377"></a>
<FONT color="green">378</FONT>                                              getBufferSize()<a name="line.378"></a>
<FONT color="green">379</FONT>                                              );<a name="line.379"></a>
<FONT color="green">380</FONT>            if (__fileType == ASCII_FILE_TYPE)<a name="line.380"></a>
<FONT color="green">381</FONT>                output = new ToNetASCIIOutputStream(output);<a name="line.381"></a>
<FONT color="green">382</FONT>            // Treat everything else as binary for now<a name="line.382"></a>
<FONT color="green">383</FONT>            try<a name="line.383"></a>
<FONT color="green">384</FONT>            {<a name="line.384"></a>
<FONT color="green">385</FONT>                Util.copyStream(local, output, getBufferSize(),<a name="line.385"></a>
<FONT color="green">386</FONT>                                CopyStreamEvent.UNKNOWN_STREAM_SIZE, null,<a name="line.386"></a>
<FONT color="green">387</FONT>                                false);<a name="line.387"></a>
<FONT color="green">388</FONT>            }<a name="line.388"></a>
<FONT color="green">389</FONT>            catch (IOException e)<a name="line.389"></a>
<FONT color="green">390</FONT>            {<a name="line.390"></a>
<FONT color="green">391</FONT>                try<a name="line.391"></a>
<FONT color="green">392</FONT>                {<a name="line.392"></a>
<FONT color="green">393</FONT>                    socket.close();<a name="line.393"></a>
<FONT color="green">394</FONT>                }<a name="line.394"></a>
<FONT color="green">395</FONT>                catch (IOException f)<a name="line.395"></a>
<FONT color="green">396</FONT>                {}<a name="line.396"></a>
<FONT color="green">397</FONT>                throw e;<a name="line.397"></a>
<FONT color="green">398</FONT>            }<a name="line.398"></a>
<FONT color="green">399</FONT>            output.close();<a name="line.399"></a>
<FONT color="green">400</FONT>            socket.close();<a name="line.400"></a>
<FONT color="green">401</FONT>            return completePendingCommand();<a name="line.401"></a>
<FONT color="green">402</FONT>        }<a name="line.402"></a>
<FONT color="green">403</FONT>    <a name="line.403"></a>
<FONT color="green">404</FONT>        private OutputStream __storeFileStream(int command, String remote)<a name="line.404"></a>
<FONT color="green">405</FONT>        throws IOException<a name="line.405"></a>
<FONT color="green">406</FONT>        {<a name="line.406"></a>
<FONT color="green">407</FONT>            OutputStream output;<a name="line.407"></a>
<FONT color="green">408</FONT>            Socket socket;<a name="line.408"></a>
<FONT color="green">409</FONT>    <a name="line.409"></a>
<FONT color="green">410</FONT>            if ((socket = _openDataConnection_(command, remote)) == null)<a name="line.410"></a>
<FONT color="green">411</FONT>                return null;<a name="line.411"></a>
<FONT color="green">412</FONT>    <a name="line.412"></a>
<FONT color="green">413</FONT>            output = socket.getOutputStream();<a name="line.413"></a>
<FONT color="green">414</FONT>            if (__fileType == ASCII_FILE_TYPE) {<a name="line.414"></a>
<FONT color="green">415</FONT>              // We buffer ascii transfers because the buffering has to<a name="line.415"></a>
<FONT color="green">416</FONT>              // be interposed between ToNetASCIIOutputSream and the underlying<a name="line.416"></a>
<FONT color="green">417</FONT>              // socket output stream.  We don't buffer binary transfers<a name="line.417"></a>
<FONT color="green">418</FONT>              // because we don't want to impose a buffering policy on the<a name="line.418"></a>
<FONT color="green">419</FONT>              // programmer if possible.  Programmers can decide on their<a name="line.419"></a>
<FONT color="green">420</FONT>              // own if they want to wrap the SocketOutputStream we return<a name="line.420"></a>
<FONT color="green">421</FONT>              // for file types other than ASCII.<a name="line.421"></a>
<FONT color="green">422</FONT>              output = new BufferedOutputStream(output,<a name="line.422"></a>
<FONT color="green">423</FONT>                                                getBufferSize());<a name="line.423"></a>
<FONT color="green">424</FONT>              output = new ToNetASCIIOutputStream(output);<a name="line.424"></a>
<FONT color="green">425</FONT>    <a name="line.425"></a>
<FONT color="green">426</FONT>            }<a name="line.426"></a>
<FONT color="green">427</FONT>            return new org.apache.commons.net.io.SocketOutputStream(socket, output);<a name="line.427"></a>
<FONT color="green">428</FONT>        }<a name="line.428"></a>
<FONT color="green">429</FONT>    <a name="line.429"></a>
<FONT color="green">430</FONT>    <a name="line.430"></a>
<FONT color="green">431</FONT>        /**<a name="line.431"></a>
<FONT color="green">432</FONT>         * Establishes a data connection with the FTP server, returning<a name="line.432"></a>
<FONT color="green">433</FONT>         * a Socket for the connection if successful.  If a restart<a name="line.433"></a>
<FONT color="green">434</FONT>         * offset has been set with {@link #setRestartOffset(long)},<a name="line.434"></a>
<FONT color="green">435</FONT>         * a REST command is issued to the server with the offset as<a name="line.435"></a>
<FONT color="green">436</FONT>         * an argument before establishing the data connection.  Active<a name="line.436"></a>
<FONT color="green">437</FONT>         * mode connections also cause a local PORT command to be issued.<a name="line.437"></a>
<FONT color="green">438</FONT>         * &lt;p&gt;<a name="line.438"></a>
<FONT color="green">439</FONT>         * @param command  The text representation of the FTP command to send.<a name="line.439"></a>
<FONT color="green">440</FONT>         * @param arg The arguments to the FTP command.  If this parameter is<a name="line.440"></a>
<FONT color="green">441</FONT>         *             set to null, then the command is sent with no argument.<a name="line.441"></a>
<FONT color="green">442</FONT>         * @return A Socket corresponding to the established data connection.<a name="line.442"></a>
<FONT color="green">443</FONT>         *         Null is returned if an FTP protocol error is reported at<a name="line.443"></a>
<FONT color="green">444</FONT>         *         any point during the establishment and initialization of<a name="line.444"></a>
<FONT color="green">445</FONT>         *         the connection.<a name="line.445"></a>
<FONT color="green">446</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.446"></a>
<FONT color="green">447</FONT>         *      command to the server or receiving a reply from the server.<a name="line.447"></a>
<FONT color="green">448</FONT>         */<a name="line.448"></a>
<FONT color="green">449</FONT>        protected Socket _openDataConnection_(int command, String arg)<a name="line.449"></a>
<FONT color="green">450</FONT>          throws IOException<a name="line.450"></a>
<FONT color="green">451</FONT>        {<a name="line.451"></a>
<FONT color="green">452</FONT>            Socket socket;<a name="line.452"></a>
<FONT color="green">453</FONT>    <a name="line.453"></a>
<FONT color="green">454</FONT>            if (__dataConnectionMode != ACTIVE_LOCAL_DATA_CONNECTION_MODE &amp;&amp;<a name="line.454"></a>
<FONT color="green">455</FONT>                    __dataConnectionMode != PASSIVE_LOCAL_DATA_CONNECTION_MODE)<a name="line.455"></a>
<FONT color="green">456</FONT>                return null;<a name="line.456"></a>
<FONT color="green">457</FONT>    <a name="line.457"></a>
<FONT color="green">458</FONT>            if (__dataConnectionMode == ACTIVE_LOCAL_DATA_CONNECTION_MODE)<a name="line.458"></a>
<FONT color="green">459</FONT>            {<a name="line.459"></a>
<FONT color="green">460</FONT>                ServerSocket server;<a name="line.460"></a>
<FONT color="green">461</FONT>                server = _serverSocketFactory_.createServerSocket(0, 1, getLocalAddress());<a name="line.461"></a>
<FONT color="green">462</FONT>    <a name="line.462"></a>
<FONT color="green">463</FONT>                if (!FTPReply.isPositiveCompletion(port(getLocalAddress(),<a name="line.463"></a>
<FONT color="green">464</FONT>                                                        server.getLocalPort())))<a name="line.464"></a>
<FONT color="green">465</FONT>                {<a name="line.465"></a>
<FONT color="green">466</FONT>                    server.close();<a name="line.466"></a>
<FONT color="green">467</FONT>                    return null;<a name="line.467"></a>
<FONT color="green">468</FONT>                }<a name="line.468"></a>
<FONT color="green">469</FONT>    <a name="line.469"></a>
<FONT color="green">470</FONT>                if ((__restartOffset &gt; 0) &amp;&amp; !restart(__restartOffset))<a name="line.470"></a>
<FONT color="green">471</FONT>                {<a name="line.471"></a>
<FONT color="green">472</FONT>                    server.close();<a name="line.472"></a>
<FONT color="green">473</FONT>                    return null;<a name="line.473"></a>
<FONT color="green">474</FONT>                }<a name="line.474"></a>
<FONT color="green">475</FONT>    <a name="line.475"></a>
<FONT color="green">476</FONT>                if (!FTPReply.isPositivePreliminary(sendCommand(command, arg)))<a name="line.476"></a>
<FONT color="green">477</FONT>                {<a name="line.477"></a>
<FONT color="green">478</FONT>                    server.close();<a name="line.478"></a>
<FONT color="green">479</FONT>                    return null;<a name="line.479"></a>
<FONT color="green">480</FONT>                }<a name="line.480"></a>
<FONT color="green">481</FONT>    <a name="line.481"></a>
<FONT color="green">482</FONT>                // For now, let's just use the data timeout value for waiting for<a name="line.482"></a>
<FONT color="green">483</FONT>                // the data connection.  It may be desirable to let this be a<a name="line.483"></a>
<FONT color="green">484</FONT>                // separately configurable value.  In any case, we really want<a name="line.484"></a>
<FONT color="green">485</FONT>                // to allow preventing the accept from blocking indefinitely.<a name="line.485"></a>
<FONT color="green">486</FONT>                if (__dataTimeout &gt;= 0)<a name="line.486"></a>
<FONT color="green">487</FONT>                    server.setSoTimeout(__dataTimeout);<a name="line.487"></a>
<FONT color="green">488</FONT>                try {<a name="line.488"></a>
<FONT color="green">489</FONT>                    socket = server.accept();<a name="line.489"></a>
<FONT color="green">490</FONT>                } finally {<a name="line.490"></a>
<FONT color="green">491</FONT>                    server.close();<a name="line.491"></a>
<FONT color="green">492</FONT>                }<a name="line.492"></a>
<FONT color="green">493</FONT>            }<a name="line.493"></a>
<FONT color="green">494</FONT>            else<a name="line.494"></a>
<FONT color="green">495</FONT>            { // We must be in PASSIVE_LOCAL_DATA_CONNECTION_MODE<a name="line.495"></a>
<FONT color="green">496</FONT>    <a name="line.496"></a>
<FONT color="green">497</FONT>                if (pasv() != FTPReply.ENTERING_PASSIVE_MODE)<a name="line.497"></a>
<FONT color="green">498</FONT>                    return null;<a name="line.498"></a>
<FONT color="green">499</FONT>    <a name="line.499"></a>
<FONT color="green">500</FONT>                __parsePassiveModeReply(_replyLines.get(_replyLines.size() - 1));<a name="line.500"></a>
<FONT color="green">501</FONT>    <a name="line.501"></a>
<FONT color="green">502</FONT>                socket = _socketFactory_.createSocket(__passiveHost, __passivePort);<a name="line.502"></a>
<FONT color="green">503</FONT>                if ((__restartOffset &gt; 0) &amp;&amp; !restart(__restartOffset))<a name="line.503"></a>
<FONT color="green">504</FONT>                {<a name="line.504"></a>
<FONT color="green">505</FONT>                    socket.close();<a name="line.505"></a>
<FONT color="green">506</FONT>                    return null;<a name="line.506"></a>
<FONT color="green">507</FONT>                }<a name="line.507"></a>
<FONT color="green">508</FONT>    <a name="line.508"></a>
<FONT color="green">509</FONT>                if (!FTPReply.isPositivePreliminary(sendCommand(command, arg)))<a name="line.509"></a>
<FONT color="green">510</FONT>                {<a name="line.510"></a>
<FONT color="green">511</FONT>                    socket.close();<a name="line.511"></a>
<FONT color="green">512</FONT>                    return null;<a name="line.512"></a>
<FONT color="green">513</FONT>                }<a name="line.513"></a>
<FONT color="green">514</FONT>            }<a name="line.514"></a>
<FONT color="green">515</FONT>    <a name="line.515"></a>
<FONT color="green">516</FONT>            if (__remoteVerificationEnabled &amp;&amp; !verifyRemote(socket))<a name="line.516"></a>
<FONT color="green">517</FONT>            {<a name="line.517"></a>
<FONT color="green">518</FONT>                InetAddress host1, host2;<a name="line.518"></a>
<FONT color="green">519</FONT>    <a name="line.519"></a>
<FONT color="green">520</FONT>                host1 = socket.getInetAddress();<a name="line.520"></a>
<FONT color="green">521</FONT>                host2 = getRemoteAddress();<a name="line.521"></a>
<FONT color="green">522</FONT>    <a name="line.522"></a>
<FONT color="green">523</FONT>                socket.close();<a name="line.523"></a>
<FONT color="green">524</FONT>    <a name="line.524"></a>
<FONT color="green">525</FONT>                throw new IOException(<a name="line.525"></a>
<FONT color="green">526</FONT>                    "Host attempting data connection " + host1.getHostAddress() +<a name="line.526"></a>
<FONT color="green">527</FONT>                    " is not same as server " + host2.getHostAddress());<a name="line.527"></a>
<FONT color="green">528</FONT>            }<a name="line.528"></a>
<FONT color="green">529</FONT>    <a name="line.529"></a>
<FONT color="green">530</FONT>            if (__dataTimeout &gt;= 0)<a name="line.530"></a>
<FONT color="green">531</FONT>                socket.setSoTimeout(__dataTimeout);<a name="line.531"></a>
<FONT color="green">532</FONT>    <a name="line.532"></a>
<FONT color="green">533</FONT>            return socket;<a name="line.533"></a>
<FONT color="green">534</FONT>        }<a name="line.534"></a>
<FONT color="green">535</FONT>    <a name="line.535"></a>
<FONT color="green">536</FONT>    <a name="line.536"></a>
<FONT color="green">537</FONT>        @Override<a name="line.537"></a>
<FONT color="green">538</FONT>        protected void _connectAction_() throws IOException<a name="line.538"></a>
<FONT color="green">539</FONT>        {<a name="line.539"></a>
<FONT color="green">540</FONT>            super._connectAction_();<a name="line.540"></a>
<FONT color="green">541</FONT>            __initDefaults();<a name="line.541"></a>
<FONT color="green">542</FONT>        }<a name="line.542"></a>
<FONT color="green">543</FONT>    <a name="line.543"></a>
<FONT color="green">544</FONT>    <a name="line.544"></a>
<FONT color="green">545</FONT>        /***<a name="line.545"></a>
<FONT color="green">546</FONT>         * Sets the timeout in milliseconds to use when reading from the<a name="line.546"></a>
<FONT color="green">547</FONT>         * data connection.  This timeout will be set immediately after<a name="line.547"></a>
<FONT color="green">548</FONT>         * opening the data connection.<a name="line.548"></a>
<FONT color="green">549</FONT>         * &lt;p&gt;<a name="line.549"></a>
<FONT color="green">550</FONT>         * @param  timeout The default timeout in milliseconds that is used when<a name="line.550"></a>
<FONT color="green">551</FONT>         *        opening a data connection socket.<a name="line.551"></a>
<FONT color="green">552</FONT>         ***/<a name="line.552"></a>
<FONT color="green">553</FONT>        public void setDataTimeout(int timeout)<a name="line.553"></a>
<FONT color="green">554</FONT>        {<a name="line.554"></a>
<FONT color="green">555</FONT>            __dataTimeout = timeout;<a name="line.555"></a>
<FONT color="green">556</FONT>        }<a name="line.556"></a>
<FONT color="green">557</FONT>    <a name="line.557"></a>
<FONT color="green">558</FONT>        /**<a name="line.558"></a>
<FONT color="green">559</FONT>         * set the factory used for parser creation to the supplied factory object.<a name="line.559"></a>
<FONT color="green">560</FONT>         *<a name="line.560"></a>
<FONT color="green">561</FONT>         * @param parserFactory<a name="line.561"></a>
<FONT color="green">562</FONT>         *               factory object used to create FTPFileEntryParsers<a name="line.562"></a>
<FONT color="green">563</FONT>         *<a name="line.563"></a>
<FONT color="green">564</FONT>         * @see org.apache.commons.net.ftp.parser.FTPFileEntryParserFactory<a name="line.564"></a>
<FONT color="green">565</FONT>         * @see org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory<a name="line.565"></a>
<FONT color="green">566</FONT>         */<a name="line.566"></a>
<FONT color="green">567</FONT>        public void setParserFactory(FTPFileEntryParserFactory parserFactory) {<a name="line.567"></a>
<FONT color="green">568</FONT>            __parserFactory = parserFactory;<a name="line.568"></a>
<FONT color="green">569</FONT>        }<a name="line.569"></a>
<FONT color="green">570</FONT>    <a name="line.570"></a>
<FONT color="green">571</FONT>    <a name="line.571"></a>
<FONT color="green">572</FONT>        /***<a name="line.572"></a>
<FONT color="green">573</FONT>         * Closes the connection to the FTP server and restores<a name="line.573"></a>
<FONT color="green">574</FONT>         * connection parameters to the default values.<a name="line.574"></a>
<FONT color="green">575</FONT>         * &lt;p&gt;<a name="line.575"></a>
<FONT color="green">576</FONT>         * @exception IOException If an error occurs while disconnecting.<a name="line.576"></a>
<FONT color="green">577</FONT>         ***/<a name="line.577"></a>
<FONT color="green">578</FONT>        @Override<a name="line.578"></a>
<FONT color="green">579</FONT>        public void disconnect() throws IOException<a name="line.579"></a>
<FONT color="green">580</FONT>        {<a name="line.580"></a>
<FONT color="green">581</FONT>            super.disconnect();<a name="line.581"></a>
<FONT color="green">582</FONT>            __initDefaults();<a name="line.582"></a>
<FONT color="green">583</FONT>        }<a name="line.583"></a>
<FONT color="green">584</FONT>    <a name="line.584"></a>
<FONT color="green">585</FONT>    <a name="line.585"></a>
<FONT color="green">586</FONT>        /***<a name="line.586"></a>
<FONT color="green">587</FONT>         * Enable or disable verification that the remote host taking part<a name="line.587"></a>
<FONT color="green">588</FONT>         * of a data connection is the same as the host to which the control<a name="line.588"></a>
<FONT color="green">589</FONT>         * connection is attached.  The default is for verification to be<a name="line.589"></a>
<FONT color="green">590</FONT>         * enabled.  You may set this value at any time, whether the<a name="line.590"></a>
<FONT color="green">591</FONT>         * FTPClient is currently connected or not.<a name="line.591"></a>
<FONT color="green">592</FONT>         * &lt;p&gt;<a name="line.592"></a>
<FONT color="green">593</FONT>         * @param enable True to enable verification, false to disable verification.<a name="line.593"></a>
<FONT color="green">594</FONT>         ***/<a name="line.594"></a>
<FONT color="green">595</FONT>        public void setRemoteVerificationEnabled(boolean enable)<a name="line.595"></a>
<FONT color="green">596</FONT>        {<a name="line.596"></a>
<FONT color="green">597</FONT>            __remoteVerificationEnabled = enable;<a name="line.597"></a>
<FONT color="green">598</FONT>        }<a name="line.598"></a>
<FONT color="green">599</FONT>    <a name="line.599"></a>
<FONT color="green">600</FONT>        /***<a name="line.600"></a>
<FONT color="green">601</FONT>         * Return whether or not verification of the remote host participating<a name="line.601"></a>
<FONT color="green">602</FONT>         * in data connections is enabled.  The default behavior is for<a name="line.602"></a>
<FONT color="green">603</FONT>         * verification to be enabled.<a name="line.603"></a>
<FONT color="green">604</FONT>         * &lt;p&gt;<a name="line.604"></a>
<FONT color="green">605</FONT>         * @return True if verification is enabled, false if not.<a name="line.605"></a>
<FONT color="green">606</FONT>         ***/<a name="line.606"></a>
<FONT color="green">607</FONT>        public boolean isRemoteVerificationEnabled()<a name="line.607"></a>
<FONT color="green">608</FONT>        {<a name="line.608"></a>
<FONT color="green">609</FONT>            return __remoteVerificationEnabled;<a name="line.609"></a>
<FONT color="green">610</FONT>        }<a name="line.610"></a>
<FONT color="green">611</FONT>    <a name="line.611"></a>
<FONT color="green">612</FONT>        /***<a name="line.612"></a>
<FONT color="green">613</FONT>         * Login to the FTP server using the provided username and password.<a name="line.613"></a>
<FONT color="green">614</FONT>         * &lt;p&gt;<a name="line.614"></a>
<FONT color="green">615</FONT>         * @param username The username to login under.<a name="line.615"></a>
<FONT color="green">616</FONT>         * @param password The password to use.<a name="line.616"></a>
<FONT color="green">617</FONT>         * @return True if successfully completed, false if not.<a name="line.617"></a>
<FONT color="green">618</FONT>         * @exception FTPConnectionClosedException<a name="line.618"></a>
<FONT color="green">619</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.619"></a>
<FONT color="green">620</FONT>         *      of the client being idle or some other reason causing the server<a name="line.620"></a>
<FONT color="green">621</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.621"></a>
<FONT color="green">622</FONT>         *      as an IOException or independently as itself.<a name="line.622"></a>
<FONT color="green">623</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.623"></a>
<FONT color="green">624</FONT>         *      command to the server or receiving a reply from the server.<a name="line.624"></a>
<FONT color="green">625</FONT>         ***/<a name="line.625"></a>
<FONT color="green">626</FONT>        public boolean login(String username, String password) throws IOException<a name="line.626"></a>
<FONT color="green">627</FONT>        {<a name="line.627"></a>
<FONT color="green">628</FONT>            user(username);<a name="line.628"></a>
<FONT color="green">629</FONT>    <a name="line.629"></a>
<FONT color="green">630</FONT>            if (FTPReply.isPositiveCompletion(_replyCode))<a name="line.630"></a>
<FONT color="green">631</FONT>                return true;<a name="line.631"></a>
<FONT color="green">632</FONT>    <a name="line.632"></a>
<FONT color="green">633</FONT>            // If we get here, we either have an error code, or an intermmediate<a name="line.633"></a>
<FONT color="green">634</FONT>            // reply requesting password.<a name="line.634"></a>
<FONT color="green">635</FONT>            if (!FTPReply.isPositiveIntermediate(_replyCode))<a name="line.635"></a>
<FONT color="green">636</FONT>                return false;<a name="line.636"></a>
<FONT color="green">637</FONT>    <a name="line.637"></a>
<FONT color="green">638</FONT>            return FTPReply.isPositiveCompletion(pass(password));<a name="line.638"></a>
<FONT color="green">639</FONT>        }<a name="line.639"></a>
<FONT color="green">640</FONT>    <a name="line.640"></a>
<FONT color="green">641</FONT>    <a name="line.641"></a>
<FONT color="green">642</FONT>        /***<a name="line.642"></a>
<FONT color="green">643</FONT>         * Login to the FTP server using the provided username, password,<a name="line.643"></a>
<FONT color="green">644</FONT>         * and account.  If no account is required by the server, only<a name="line.644"></a>
<FONT color="green">645</FONT>         * the username and password, the account information is not used.<a name="line.645"></a>
<FONT color="green">646</FONT>         * &lt;p&gt;<a name="line.646"></a>
<FONT color="green">647</FONT>         * @param username The username to login under.<a name="line.647"></a>
<FONT color="green">648</FONT>         * @param password The password to use.<a name="line.648"></a>
<FONT color="green">649</FONT>         * @param account  The account to use.<a name="line.649"></a>
<FONT color="green">650</FONT>         * @return True if successfully completed, false if not.<a name="line.650"></a>
<FONT color="green">651</FONT>         * @exception FTPConnectionClosedException<a name="line.651"></a>
<FONT color="green">652</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.652"></a>
<FONT color="green">653</FONT>         *      of the client being idle or some other reason causing the server<a name="line.653"></a>
<FONT color="green">654</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.654"></a>
<FONT color="green">655</FONT>         *      as an IOException or independently as itself.<a name="line.655"></a>
<FONT color="green">656</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.656"></a>
<FONT color="green">657</FONT>         *      command to the server or receiving a reply from the server.<a name="line.657"></a>
<FONT color="green">658</FONT>         ***/<a name="line.658"></a>
<FONT color="green">659</FONT>        public boolean login(String username, String password, String account)<a name="line.659"></a>
<FONT color="green">660</FONT>        throws IOException<a name="line.660"></a>
<FONT color="green">661</FONT>        {<a name="line.661"></a>
<FONT color="green">662</FONT>            user(username);<a name="line.662"></a>
<FONT color="green">663</FONT>    <a name="line.663"></a>
<FONT color="green">664</FONT>            if (FTPReply.isPositiveCompletion(_replyCode))<a name="line.664"></a>
<FONT color="green">665</FONT>                return true;<a name="line.665"></a>
<FONT color="green">666</FONT>    <a name="line.666"></a>
<FONT color="green">667</FONT>            // If we get here, we either have an error code, or an intermmediate<a name="line.667"></a>
<FONT color="green">668</FONT>            // reply requesting password.<a name="line.668"></a>
<FONT color="green">669</FONT>            if (!FTPReply.isPositiveIntermediate(_replyCode))<a name="line.669"></a>
<FONT color="green">670</FONT>                return false;<a name="line.670"></a>
<FONT color="green">671</FONT>    <a name="line.671"></a>
<FONT color="green">672</FONT>            pass(password);<a name="line.672"></a>
<FONT color="green">673</FONT>    <a name="line.673"></a>
<FONT color="green">674</FONT>            if (FTPReply.isPositiveCompletion(_replyCode))<a name="line.674"></a>
<FONT color="green">675</FONT>                return true;<a name="line.675"></a>
<FONT color="green">676</FONT>    <a name="line.676"></a>
<FONT color="green">677</FONT>            if (!FTPReply.isPositiveIntermediate(_replyCode))<a name="line.677"></a>
<FONT color="green">678</FONT>                return false;<a name="line.678"></a>
<FONT color="green">679</FONT>    <a name="line.679"></a>
<FONT color="green">680</FONT>            return FTPReply.isPositiveCompletion(acct(account));<a name="line.680"></a>
<FONT color="green">681</FONT>        }<a name="line.681"></a>
<FONT color="green">682</FONT>    <a name="line.682"></a>
<FONT color="green">683</FONT>        /***<a name="line.683"></a>
<FONT color="green">684</FONT>         * Logout of the FTP server by sending the QUIT command.<a name="line.684"></a>
<FONT color="green">685</FONT>         * &lt;p&gt;<a name="line.685"></a>
<FONT color="green">686</FONT>         * @return True if successfully completed, false if not.<a name="line.686"></a>
<FONT color="green">687</FONT>         * @exception FTPConnectionClosedException<a name="line.687"></a>
<FONT color="green">688</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.688"></a>
<FONT color="green">689</FONT>         *      of the client being idle or some other reason causing the server<a name="line.689"></a>
<FONT color="green">690</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.690"></a>
<FONT color="green">691</FONT>         *      as an IOException or independently as itself.<a name="line.691"></a>
<FONT color="green">692</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.692"></a>
<FONT color="green">693</FONT>         *      command to the server or receiving a reply from the server.<a name="line.693"></a>
<FONT color="green">694</FONT>         ***/<a name="line.694"></a>
<FONT color="green">695</FONT>        public boolean logout() throws IOException<a name="line.695"></a>
<FONT color="green">696</FONT>        {<a name="line.696"></a>
<FONT color="green">697</FONT>            return FTPReply.isPositiveCompletion(quit());<a name="line.697"></a>
<FONT color="green">698</FONT>        }<a name="line.698"></a>
<FONT color="green">699</FONT>    <a name="line.699"></a>
<FONT color="green">700</FONT>    <a name="line.700"></a>
<FONT color="green">701</FONT>        /***<a name="line.701"></a>
<FONT color="green">702</FONT>         * Change the current working directory of the FTP session.<a name="line.702"></a>
<FONT color="green">703</FONT>         * &lt;p&gt;<a name="line.703"></a>
<FONT color="green">704</FONT>         * @param pathname  The new current working directory.<a name="line.704"></a>
<FONT color="green">705</FONT>         * @return True if successfully completed, false if not.<a name="line.705"></a>
<FONT color="green">706</FONT>         * @exception FTPConnectionClosedException<a name="line.706"></a>
<FONT color="green">707</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.707"></a>
<FONT color="green">708</FONT>         *      of the client being idle or some other reason causing the server<a name="line.708"></a>
<FONT color="green">709</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.709"></a>
<FONT color="green">710</FONT>         *      as an IOException or independently as itself.<a name="line.710"></a>
<FONT color="green">711</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.711"></a>
<FONT color="green">712</FONT>         *      command to the server or receiving a reply from the server.<a name="line.712"></a>
<FONT color="green">713</FONT>         ***/<a name="line.713"></a>
<FONT color="green">714</FONT>        public boolean changeWorkingDirectory(String pathname) throws IOException<a name="line.714"></a>
<FONT color="green">715</FONT>        {<a name="line.715"></a>
<FONT color="green">716</FONT>            return FTPReply.isPositiveCompletion(cwd(pathname));<a name="line.716"></a>
<FONT color="green">717</FONT>        }<a name="line.717"></a>
<FONT color="green">718</FONT>    <a name="line.718"></a>
<FONT color="green">719</FONT>    <a name="line.719"></a>
<FONT color="green">720</FONT>        /***<a name="line.720"></a>
<FONT color="green">721</FONT>         * Change to the parent directory of the current working directory.<a name="line.721"></a>
<FONT color="green">722</FONT>         * &lt;p&gt;<a name="line.722"></a>
<FONT color="green">723</FONT>         * @return True if successfully completed, false if not.<a name="line.723"></a>
<FONT color="green">724</FONT>         * @exception FTPConnectionClosedException<a name="line.724"></a>
<FONT color="green">725</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.725"></a>
<FONT color="green">726</FONT>         *      of the client being idle or some other reason causing the server<a name="line.726"></a>
<FONT color="green">727</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.727"></a>
<FONT color="green">728</FONT>         *      as an IOException or independently as itself.<a name="line.728"></a>
<FONT color="green">729</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.729"></a>
<FONT color="green">730</FONT>         *      command to the server or receiving a reply from the server.<a name="line.730"></a>
<FONT color="green">731</FONT>         ***/<a name="line.731"></a>
<FONT color="green">732</FONT>        public boolean changeToParentDirectory() throws IOException<a name="line.732"></a>
<FONT color="green">733</FONT>        {<a name="line.733"></a>
<FONT color="green">734</FONT>            return FTPReply.isPositiveCompletion(cdup());<a name="line.734"></a>
<FONT color="green">735</FONT>        }<a name="line.735"></a>
<FONT color="green">736</FONT>    <a name="line.736"></a>
<FONT color="green">737</FONT>    <a name="line.737"></a>
<FONT color="green">738</FONT>        /***<a name="line.738"></a>
<FONT color="green">739</FONT>         * Issue the FTP SMNT command.<a name="line.739"></a>
<FONT color="green">740</FONT>         * &lt;p&gt;<a name="line.740"></a>
<FONT color="green">741</FONT>         * @param pathname The pathname to mount.<a name="line.741"></a>
<FONT color="green">742</FONT>         * @return True if successfully completed, false if not.<a name="line.742"></a>
<FONT color="green">743</FONT>         * @exception FTPConnectionClosedException<a name="line.743"></a>
<FONT color="green">744</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.744"></a>
<FONT color="green">745</FONT>         *      of the client being idle or some other reason causing the server<a name="line.745"></a>
<FONT color="green">746</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.746"></a>
<FONT color="green">747</FONT>         *      as an IOException or independently as itself.<a name="line.747"></a>
<FONT color="green">748</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.748"></a>
<FONT color="green">749</FONT>         *      command to the server or receiving a reply from the server.<a name="line.749"></a>
<FONT color="green">750</FONT>         ***/<a name="line.750"></a>
<FONT color="green">751</FONT>        public boolean structureMount(String pathname) throws IOException<a name="line.751"></a>
<FONT color="green">752</FONT>        {<a name="line.752"></a>
<FONT color="green">753</FONT>            return FTPReply.isPositiveCompletion(smnt(pathname));<a name="line.753"></a>
<FONT color="green">754</FONT>        }<a name="line.754"></a>
<FONT color="green">755</FONT>    <a name="line.755"></a>
<FONT color="green">756</FONT>        /***<a name="line.756"></a>
<FONT color="green">757</FONT>         * Reinitialize the FTP session.  Not all FTP servers support this<a name="line.757"></a>
<FONT color="green">758</FONT>         * command, which issues the FTP REIN command.<a name="line.758"></a>
<FONT color="green">759</FONT>         * &lt;p&gt;<a name="line.759"></a>
<FONT color="green">760</FONT>         * @return True if successfully completed, false if not.<a name="line.760"></a>
<FONT color="green">761</FONT>         * @exception FTPConnectionClosedException<a name="line.761"></a>
<FONT color="green">762</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.762"></a>
<FONT color="green">763</FONT>         *      of the client being idle or some other reason causing the server<a name="line.763"></a>
<FONT color="green">764</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.764"></a>
<FONT color="green">765</FONT>         *      as an IOException or independently as itself.<a name="line.765"></a>
<FONT color="green">766</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.766"></a>
<FONT color="green">767</FONT>         *      command to the server or receiving a reply from the server.<a name="line.767"></a>
<FONT color="green">768</FONT>         ***/<a name="line.768"></a>
<FONT color="green">769</FONT>        boolean reinitialize() throws IOException<a name="line.769"></a>
<FONT color="green">770</FONT>        {<a name="line.770"></a>
<FONT color="green">771</FONT>            rein();<a name="line.771"></a>
<FONT color="green">772</FONT>    <a name="line.772"></a>
<FONT color="green">773</FONT>            if (FTPReply.isPositiveCompletion(_replyCode) ||<a name="line.773"></a>
<FONT color="green">774</FONT>                    (FTPReply.isPositivePreliminary(_replyCode) &amp;&amp;<a name="line.774"></a>
<FONT color="green">775</FONT>                     FTPReply.isPositiveCompletion(getReply())))<a name="line.775"></a>
<FONT color="green">776</FONT>            {<a name="line.776"></a>
<FONT color="green">777</FONT>    <a name="line.777"></a>
<FONT color="green">778</FONT>                __initDefaults();<a name="line.778"></a>
<FONT color="green">779</FONT>    <a name="line.779"></a>
<FONT color="green">780</FONT>                return true;<a name="line.780"></a>
<FONT color="green">781</FONT>            }<a name="line.781"></a>
<FONT color="green">782</FONT>    <a name="line.782"></a>
<FONT color="green">783</FONT>            return false;<a name="line.783"></a>
<FONT color="green">784</FONT>        }<a name="line.784"></a>
<FONT color="green">785</FONT>    <a name="line.785"></a>
<FONT color="green">786</FONT>    <a name="line.786"></a>
<FONT color="green">787</FONT>        /***<a name="line.787"></a>
<FONT color="green">788</FONT>         * Set the current data connection mode to<a name="line.788"></a>
<FONT color="green">789</FONT>         * &lt;code&gt;ACTIVE_LOCAL_DATA_CONNECTION_MODE&lt;/code&gt;.  No communication<a name="line.789"></a>
<FONT color="green">790</FONT>         * with the FTP server is conducted, but this causes all future data<a name="line.790"></a>
<FONT color="green">791</FONT>         * transfers to require the FTP server to connect to the client's<a name="line.791"></a>
<FONT color="green">792</FONT>         * data port.  Additionally, to accommodate differences between socket<a name="line.792"></a>
<FONT color="green">793</FONT>         * implementations on different platforms, this method causes the<a name="line.793"></a>
<FONT color="green">794</FONT>         * client to issue a PORT command before every data transfer.<a name="line.794"></a>
<FONT color="green">795</FONT>         ***/<a name="line.795"></a>
<FONT color="green">796</FONT>        public void enterLocalActiveMode()<a name="line.796"></a>
<FONT color="green">797</FONT>        {<a name="line.797"></a>
<FONT color="green">798</FONT>            __dataConnectionMode = ACTIVE_LOCAL_DATA_CONNECTION_MODE;<a name="line.798"></a>
<FONT color="green">799</FONT>            __passiveHost = null;<a name="line.799"></a>
<FONT color="green">800</FONT>            __passivePort = -1;<a name="line.800"></a>
<FONT color="green">801</FONT>        }<a name="line.801"></a>
<FONT color="green">802</FONT>    <a name="line.802"></a>
<FONT color="green">803</FONT>    <a name="line.803"></a>
<FONT color="green">804</FONT>        /***<a name="line.804"></a>
<FONT color="green">805</FONT>         * Set the current data connection mode to<a name="line.805"></a>
<FONT color="green">806</FONT>         * &lt;code&gt; PASSIVE_LOCAL_DATA_CONNECTION_MODE &lt;/code&gt;.  Use this<a name="line.806"></a>
<FONT color="green">807</FONT>         * method only for data transfers between the client and server.<a name="line.807"></a>
<FONT color="green">808</FONT>         * This method causes a PASV command to be issued to the server<a name="line.808"></a>
<FONT color="green">809</FONT>         * before the opening of every data connection, telling the server to<a name="line.809"></a>
<FONT color="green">810</FONT>         * open a data port to which the client will connect to conduct<a name="line.810"></a>
<FONT color="green">811</FONT>         * data transfers.  The FTPClient will stay in<a name="line.811"></a>
<FONT color="green">812</FONT>         * &lt;code&gt; PASSIVE_LOCAL_DATA_CONNECTION_MODE &lt;/code&gt; until the<a name="line.812"></a>
<FONT color="green">813</FONT>         * mode is changed by calling some other method such as<a name="line.813"></a>
<FONT color="green">814</FONT>         * {@link #enterLocalActiveMode  enterLocalActiveMode() }<a name="line.814"></a>
<FONT color="green">815</FONT>         ***/<a name="line.815"></a>
<FONT color="green">816</FONT>        public void enterLocalPassiveMode()<a name="line.816"></a>
<FONT color="green">817</FONT>        {<a name="line.817"></a>
<FONT color="green">818</FONT>            __dataConnectionMode = PASSIVE_LOCAL_DATA_CONNECTION_MODE;<a name="line.818"></a>
<FONT color="green">819</FONT>            // These will be set when just before a data connection is opened<a name="line.819"></a>
<FONT color="green">820</FONT>            // in _openDataConnection_()<a name="line.820"></a>
<FONT color="green">821</FONT>            __passiveHost = null;<a name="line.821"></a>
<FONT color="green">822</FONT>            __passivePort = -1;<a name="line.822"></a>
<FONT color="green">823</FONT>        }<a name="line.823"></a>
<FONT color="green">824</FONT>    <a name="line.824"></a>
<FONT color="green">825</FONT>    <a name="line.825"></a>
<FONT color="green">826</FONT>        /***<a name="line.826"></a>
<FONT color="green">827</FONT>         * Set the current data connection mode to<a name="line.827"></a>
<FONT color="green">828</FONT>         * &lt;code&gt; ACTIVE_REMOTE_DATA_CONNECTION &lt;/code&gt;.  Use this method only<a name="line.828"></a>
<FONT color="green">829</FONT>         * for server to server data transfers.  This method issues a PORT<a name="line.829"></a>
<FONT color="green">830</FONT>         * command to the server, indicating the other server and port to which<a name="line.830"></a>
<FONT color="green">831</FONT>         * it should connect for data transfers.  You must call this method<a name="line.831"></a>
<FONT color="green">832</FONT>         * before EVERY server to server transfer attempt.  The FTPClient will<a name="line.832"></a>
<FONT color="green">833</FONT>         * NOT automatically continue to issue PORT commands.  You also<a name="line.833"></a>
<FONT color="green">834</FONT>         * must remember to call<a name="line.834"></a>
<FONT color="green">835</FONT>         * {@link #enterLocalActiveMode  enterLocalActiveMode() } if you<a name="line.835"></a>
<FONT color="green">836</FONT>         * wish to return to the normal data connection mode.<a name="line.836"></a>
<FONT color="green">837</FONT>         * &lt;p&gt;<a name="line.837"></a>
<FONT color="green">838</FONT>         * @param host The passive mode server accepting connections for data<a name="line.838"></a>
<FONT color="green">839</FONT>         *             transfers.<a name="line.839"></a>
<FONT color="green">840</FONT>         * @param port The passive mode server's data port.<a name="line.840"></a>
<FONT color="green">841</FONT>         * @return True if successfully completed, false if not.<a name="line.841"></a>
<FONT color="green">842</FONT>         * @exception FTPConnectionClosedException<a name="line.842"></a>
<FONT color="green">843</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.843"></a>
<FONT color="green">844</FONT>         *      of the client being idle or some other reason causing the server<a name="line.844"></a>
<FONT color="green">845</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.845"></a>
<FONT color="green">846</FONT>         *      as an IOException or independently as itself.<a name="line.846"></a>
<FONT color="green">847</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.847"></a>
<FONT color="green">848</FONT>         *      command to the server or receiving a reply from the server.<a name="line.848"></a>
<FONT color="green">849</FONT>         ***/<a name="line.849"></a>
<FONT color="green">850</FONT>        public boolean enterRemoteActiveMode(InetAddress host, int port)<a name="line.850"></a>
<FONT color="green">851</FONT>        throws IOException<a name="line.851"></a>
<FONT color="green">852</FONT>        {<a name="line.852"></a>
<FONT color="green">853</FONT>            if (FTPReply.isPositiveCompletion(port(host, port)))<a name="line.853"></a>
<FONT color="green">854</FONT>            {<a name="line.854"></a>
<FONT color="green">855</FONT>                __dataConnectionMode = ACTIVE_REMOTE_DATA_CONNECTION_MODE;<a name="line.855"></a>
<FONT color="green">856</FONT>                __passiveHost = null;<a name="line.856"></a>
<FONT color="green">857</FONT>                __passivePort = -1;<a name="line.857"></a>
<FONT color="green">858</FONT>                return true;<a name="line.858"></a>
<FONT color="green">859</FONT>            }<a name="line.859"></a>
<FONT color="green">860</FONT>            return false;<a name="line.860"></a>
<FONT color="green">861</FONT>        }<a name="line.861"></a>
<FONT color="green">862</FONT>    <a name="line.862"></a>
<FONT color="green">863</FONT>        /***<a name="line.863"></a>
<FONT color="green">864</FONT>         * Set the current data connection mode to<a name="line.864"></a>
<FONT color="green">865</FONT>         * &lt;code&gt; PASSIVE_REMOTE_DATA_CONNECTION_MODE &lt;/code&gt;.  Use this<a name="line.865"></a>
<FONT color="green">866</FONT>         * method only for server to server data transfers.<a name="line.866"></a>
<FONT color="green">867</FONT>         * This method issues a PASV command to the server, telling it to<a name="line.867"></a>
<FONT color="green">868</FONT>         * open a data port to which the active server will connect to conduct<a name="line.868"></a>
<FONT color="green">869</FONT>         * data transfers.  You must call this method<a name="line.869"></a>
<FONT color="green">870</FONT>         * before EVERY server to server transfer attempt.  The FTPClient will<a name="line.870"></a>
<FONT color="green">871</FONT>         * NOT automatically continue to issue PASV commands.  You also<a name="line.871"></a>
<FONT color="green">872</FONT>         * must remember to call<a name="line.872"></a>
<FONT color="green">873</FONT>         * {@link #enterLocalActiveMode  enterLocalActiveMode() } if you<a name="line.873"></a>
<FONT color="green">874</FONT>         * wish to return to the normal data connection mode.<a name="line.874"></a>
<FONT color="green">875</FONT>         * &lt;p&gt;<a name="line.875"></a>
<FONT color="green">876</FONT>         * @return True if successfully completed, false if not.<a name="line.876"></a>
<FONT color="green">877</FONT>         * @exception FTPConnectionClosedException<a name="line.877"></a>
<FONT color="green">878</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.878"></a>
<FONT color="green">879</FONT>         *      of the client being idle or some other reason causing the server<a name="line.879"></a>
<FONT color="green">880</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.880"></a>
<FONT color="green">881</FONT>         *      as an IOException or independently as itself.<a name="line.881"></a>
<FONT color="green">882</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.882"></a>
<FONT color="green">883</FONT>         *      command to the server or receiving a reply from the server.<a name="line.883"></a>
<FONT color="green">884</FONT>         ***/<a name="line.884"></a>
<FONT color="green">885</FONT>        public boolean enterRemotePassiveMode() throws IOException<a name="line.885"></a>
<FONT color="green">886</FONT>        {<a name="line.886"></a>
<FONT color="green">887</FONT>            if (pasv() != FTPReply.ENTERING_PASSIVE_MODE)<a name="line.887"></a>
<FONT color="green">888</FONT>                return false;<a name="line.888"></a>
<FONT color="green">889</FONT>    <a name="line.889"></a>
<FONT color="green">890</FONT>            __dataConnectionMode = PASSIVE_REMOTE_DATA_CONNECTION_MODE;<a name="line.890"></a>
<FONT color="green">891</FONT>            __parsePassiveModeReply(_replyLines.get(0));<a name="line.891"></a>
<FONT color="green">892</FONT>    <a name="line.892"></a>
<FONT color="green">893</FONT>            return true;<a name="line.893"></a>
<FONT color="green">894</FONT>        }<a name="line.894"></a>
<FONT color="green">895</FONT>    <a name="line.895"></a>
<FONT color="green">896</FONT>        /***<a name="line.896"></a>
<FONT color="green">897</FONT>         * Returns the hostname or IP address (in the form of a string) returned<a name="line.897"></a>
<FONT color="green">898</FONT>         * by the server when entering passive mode.  If not in passive mode,<a name="line.898"></a>
<FONT color="green">899</FONT>         * returns null.  This method only returns a valid value AFTER a<a name="line.899"></a>
<FONT color="green">900</FONT>         * data connection has been opened after a call to<a name="line.900"></a>
<FONT color="green">901</FONT>         * {@link #enterLocalPassiveMode enterLocalPassiveMode()}.<a name="line.901"></a>
<FONT color="green">902</FONT>         * This is because FTPClient sends a PASV command to the server only<a name="line.902"></a>
<FONT color="green">903</FONT>         * just before opening a data connection, and not when you call<a name="line.903"></a>
<FONT color="green">904</FONT>         * {@link #enterLocalPassiveMode enterLocalPassiveMode()}.<a name="line.904"></a>
<FONT color="green">905</FONT>         * &lt;p&gt;<a name="line.905"></a>
<FONT color="green">906</FONT>         * @return The passive host name if in passive mode, otherwise null.<a name="line.906"></a>
<FONT color="green">907</FONT>         ***/<a name="line.907"></a>
<FONT color="green">908</FONT>        public String getPassiveHost()<a name="line.908"></a>
<FONT color="green">909</FONT>        {<a name="line.909"></a>
<FONT color="green">910</FONT>            return __passiveHost;<a name="line.910"></a>
<FONT color="green">911</FONT>        }<a name="line.911"></a>
<FONT color="green">912</FONT>    <a name="line.912"></a>
<FONT color="green">913</FONT>        /***<a name="line.913"></a>
<FONT color="green">914</FONT>         * If in passive mode, returns the data port of the passive host.<a name="line.914"></a>
<FONT color="green">915</FONT>         * This method only returns a valid value AFTER a<a name="line.915"></a>
<FONT color="green">916</FONT>         * data connection has been opened after a call to<a name="line.916"></a>
<FONT color="green">917</FONT>         * {@link #enterLocalPassiveMode enterLocalPassiveMode()}.<a name="line.917"></a>
<FONT color="green">918</FONT>         * This is because FTPClient sends a PASV command to the server only<a name="line.918"></a>
<FONT color="green">919</FONT>         * just before opening a data connection, and not when you call<a name="line.919"></a>
<FONT color="green">920</FONT>         * {@link #enterLocalPassiveMode enterLocalPassiveMode()}.<a name="line.920"></a>
<FONT color="green">921</FONT>         * &lt;p&gt;<a name="line.921"></a>
<FONT color="green">922</FONT>         * @return The data port of the passive server.  If not in passive<a name="line.922"></a>
<FONT color="green">923</FONT>         *         mode, undefined.<a name="line.923"></a>
<FONT color="green">924</FONT>         ***/<a name="line.924"></a>
<FONT color="green">925</FONT>        public int getPassivePort()<a name="line.925"></a>
<FONT color="green">926</FONT>        {<a name="line.926"></a>
<FONT color="green">927</FONT>            return __passivePort;<a name="line.927"></a>
<FONT color="green">928</FONT>        }<a name="line.928"></a>
<FONT color="green">929</FONT>    <a name="line.929"></a>
<FONT color="green">930</FONT>    <a name="line.930"></a>
<FONT color="green">931</FONT>        /***<a name="line.931"></a>
<FONT color="green">932</FONT>         * Returns the current data connection mode (one of the<a name="line.932"></a>
<FONT color="green">933</FONT>         * &lt;code&gt; _DATA_CONNECTION_MODE &lt;/code&gt; constants.<a name="line.933"></a>
<FONT color="green">934</FONT>         * &lt;p&gt;<a name="line.934"></a>
<FONT color="green">935</FONT>         * @return The current data connection mode (one of the<a name="line.935"></a>
<FONT color="green">936</FONT>         * &lt;code&gt; _DATA_CONNECTION_MODE &lt;/code&gt; constants.<a name="line.936"></a>
<FONT color="green">937</FONT>         ***/<a name="line.937"></a>
<FONT color="green">938</FONT>        public int getDataConnectionMode()<a name="line.938"></a>
<FONT color="green">939</FONT>        {<a name="line.939"></a>
<FONT color="green">940</FONT>            return __dataConnectionMode;<a name="line.940"></a>
<FONT color="green">941</FONT>        }<a name="line.941"></a>
<FONT color="green">942</FONT>    <a name="line.942"></a>
<FONT color="green">943</FONT>    <a name="line.943"></a>
<FONT color="green">944</FONT>        /***<a name="line.944"></a>
<FONT color="green">945</FONT>         * Sets the file type to be transferred.  This should be one of<a name="line.945"></a>
<FONT color="green">946</FONT>         * &lt;code&gt; FTP.ASCII_FILE_TYPE &lt;/code&gt;, &lt;code&gt; FTP.BINARY_FILE_TYPE&lt;/code&gt;,<a name="line.946"></a>
<FONT color="green">947</FONT>         * etc.  The file type only needs to be set when you want to change the<a name="line.947"></a>
<FONT color="green">948</FONT>         * type.  After changing it, the new type stays in effect until you change<a name="line.948"></a>
<FONT color="green">949</FONT>         * it again.  The default file type is &lt;code&gt; FTP.ASCII_FILE_TYPE &lt;/code&gt;<a name="line.949"></a>
<FONT color="green">950</FONT>         * if this method is never called.<a name="line.950"></a>
<FONT color="green">951</FONT>         * &lt;p&gt;<a name="line.951"></a>
<FONT color="green">952</FONT>         * @param fileType The &lt;code&gt; _FILE_TYPE &lt;/code&gt; constant indcating the<a name="line.952"></a>
<FONT color="green">953</FONT>         *                 type of file.<a name="line.953"></a>
<FONT color="green">954</FONT>         * @return True if successfully completed, false if not.<a name="line.954"></a>
<FONT color="green">955</FONT>         * @exception FTPConnectionClosedException<a name="line.955"></a>
<FONT color="green">956</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.956"></a>
<FONT color="green">957</FONT>         *      of the client being idle or some other reason causing the server<a name="line.957"></a>
<FONT color="green">958</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.958"></a>
<FONT color="green">959</FONT>         *      as an IOException or independently as itself.<a name="line.959"></a>
<FONT color="green">960</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.960"></a>
<FONT color="green">961</FONT>         *      command to the server or receiving a reply from the server.<a name="line.961"></a>
<FONT color="green">962</FONT>         ***/<a name="line.962"></a>
<FONT color="green">963</FONT>        public boolean setFileType(int fileType) throws IOException<a name="line.963"></a>
<FONT color="green">964</FONT>        {<a name="line.964"></a>
<FONT color="green">965</FONT>            if (FTPReply.isPositiveCompletion(type(fileType)))<a name="line.965"></a>
<FONT color="green">966</FONT>            {<a name="line.966"></a>
<FONT color="green">967</FONT>                __fileType = fileType;<a name="line.967"></a>
<FONT color="green">968</FONT>                __fileFormat = FTP.NON_PRINT_TEXT_FORMAT;<a name="line.968"></a>
<FONT color="green">969</FONT>                return true;<a name="line.969"></a>
<FONT color="green">970</FONT>            }<a name="line.970"></a>
<FONT color="green">971</FONT>            return false;<a name="line.971"></a>
<FONT color="green">972</FONT>        }<a name="line.972"></a>
<FONT color="green">973</FONT>    <a name="line.973"></a>
<FONT color="green">974</FONT>    <a name="line.974"></a>
<FONT color="green">975</FONT>        /***<a name="line.975"></a>
<FONT color="green">976</FONT>         * Sets the file type to be transferred and the format.  The type should be<a name="line.976"></a>
<FONT color="green">977</FONT>         * one of  &lt;code&gt; FTP.ASCII_FILE_TYPE &lt;/code&gt;,<a name="line.977"></a>
<FONT color="green">978</FONT>         * &lt;code&gt; FTP.BINARY_FILE_TYPE &lt;/code&gt;, etc.  The file type only needs to<a name="line.978"></a>
<FONT color="green">979</FONT>         * be set when you want to change the type.  After changing it, the new<a name="line.979"></a>
<FONT color="green">980</FONT>         * type stays in effect until you change it again.  The default file type<a name="line.980"></a>
<FONT color="green">981</FONT>         * is &lt;code&gt; FTP.ASCII_FILE_TYPE &lt;/code&gt; if this method is never called.<a name="line.981"></a>
<FONT color="green">982</FONT>         * The format should be one of the FTP class &lt;code&gt; TEXT_FORMAT &lt;/code&gt;<a name="line.982"></a>
<FONT color="green">983</FONT>         * constants, or if the type is &lt;code&gt; FTP.LOCAL_FILE_TYPE &lt;/code&gt;, the<a name="line.983"></a>
<FONT color="green">984</FONT>         * format should be the byte size for that type.  The default format<a name="line.984"></a>
<FONT color="green">985</FONT>         * is &lt;code&gt; FTP.NON_PRINT_TEXT_FORMAT &lt;/code&gt; if this method is never<a name="line.985"></a>
<FONT color="green">986</FONT>         * called.<a name="line.986"></a>
<FONT color="green">987</FONT>         * &lt;p&gt;<a name="line.987"></a>
<FONT color="green">988</FONT>         * @param fileType The &lt;code&gt; _FILE_TYPE &lt;/code&gt; constant indcating the<a name="line.988"></a>
<FONT color="green">989</FONT>         *                 type of file.<a name="line.989"></a>
<FONT color="green">990</FONT>         * @param formatOrByteSize  The format of the file (one of the<a name="line.990"></a>
<FONT color="green">991</FONT>         *              &lt;code&gt;_FORMAT&lt;/code&gt; constants.  In the case of<a name="line.991"></a>
<FONT color="green">992</FONT>         *              &lt;code&gt;LOCAL_FILE_TYPE&lt;/code&gt;, the byte size.<a name="line.992"></a>
<FONT color="green">993</FONT>         * &lt;p&gt;<a name="line.993"></a>
<FONT color="green">994</FONT>         * @return True if successfully completed, false if not.<a name="line.994"></a>
<FONT color="green">995</FONT>         * @exception FTPConnectionClosedException<a name="line.995"></a>
<FONT color="green">996</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.996"></a>
<FONT color="green">997</FONT>         *      of the client being idle or some other reason causing the server<a name="line.997"></a>
<FONT color="green">998</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.998"></a>
<FONT color="green">999</FONT>         *      as an IOException or independently as itself.<a name="line.999"></a>
<FONT color="green">1000</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1000"></a>
<FONT color="green">1001</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1001"></a>
<FONT color="green">1002</FONT>         ***/<a name="line.1002"></a>
<FONT color="green">1003</FONT>        public boolean setFileType(int fileType, int formatOrByteSize)<a name="line.1003"></a>
<FONT color="green">1004</FONT>        throws IOException<a name="line.1004"></a>
<FONT color="green">1005</FONT>        {<a name="line.1005"></a>
<FONT color="green">1006</FONT>            if (FTPReply.isPositiveCompletion(type(fileType, formatOrByteSize)))<a name="line.1006"></a>
<FONT color="green">1007</FONT>            {<a name="line.1007"></a>
<FONT color="green">1008</FONT>                __fileType = fileType;<a name="line.1008"></a>
<FONT color="green">1009</FONT>                __fileFormat = formatOrByteSize;<a name="line.1009"></a>
<FONT color="green">1010</FONT>                return true;<a name="line.1010"></a>
<FONT color="green">1011</FONT>            }<a name="line.1011"></a>
<FONT color="green">1012</FONT>            return false;<a name="line.1012"></a>
<FONT color="green">1013</FONT>        }<a name="line.1013"></a>
<FONT color="green">1014</FONT>    <a name="line.1014"></a>
<FONT color="green">1015</FONT>    <a name="line.1015"></a>
<FONT color="green">1016</FONT>        /***<a name="line.1016"></a>
<FONT color="green">1017</FONT>         * Sets the file structure.  The default structure is<a name="line.1017"></a>
<FONT color="green">1018</FONT>         * &lt;code&gt; FTP.FILE_STRUCTURE &lt;/code&gt; if this method is never called.<a name="line.1018"></a>
<FONT color="green">1019</FONT>         * &lt;p&gt;<a name="line.1019"></a>
<FONT color="green">1020</FONT>         * @param structure  The structure of the file (one of the FTP class<a name="line.1020"></a>
<FONT color="green">1021</FONT>         *         &lt;code&gt;_STRUCTURE&lt;/code&gt; constants).<a name="line.1021"></a>
<FONT color="green">1022</FONT>         * @return True if successfully completed, false if not.<a name="line.1022"></a>
<FONT color="green">1023</FONT>         * @exception FTPConnectionClosedException<a name="line.1023"></a>
<FONT color="green">1024</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1024"></a>
<FONT color="green">1025</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1025"></a>
<FONT color="green">1026</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1026"></a>
<FONT color="green">1027</FONT>         *      as an IOException or independently as itself.<a name="line.1027"></a>
<FONT color="green">1028</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1028"></a>
<FONT color="green">1029</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1029"></a>
<FONT color="green">1030</FONT>         ***/<a name="line.1030"></a>
<FONT color="green">1031</FONT>        public boolean setFileStructure(int structure) throws IOException<a name="line.1031"></a>
<FONT color="green">1032</FONT>        {<a name="line.1032"></a>
<FONT color="green">1033</FONT>            if (FTPReply.isPositiveCompletion(stru(structure)))<a name="line.1033"></a>
<FONT color="green">1034</FONT>            {<a name="line.1034"></a>
<FONT color="green">1035</FONT>                __fileStructure = structure;<a name="line.1035"></a>
<FONT color="green">1036</FONT>                return true;<a name="line.1036"></a>
<FONT color="green">1037</FONT>            }<a name="line.1037"></a>
<FONT color="green">1038</FONT>            return false;<a name="line.1038"></a>
<FONT color="green">1039</FONT>        }<a name="line.1039"></a>
<FONT color="green">1040</FONT>    <a name="line.1040"></a>
<FONT color="green">1041</FONT>    <a name="line.1041"></a>
<FONT color="green">1042</FONT>        /***<a name="line.1042"></a>
<FONT color="green">1043</FONT>         * Sets the transfer mode.  The default transfer mode<a name="line.1043"></a>
<FONT color="green">1044</FONT>         * &lt;code&gt; FTP.STREAM_TRANSFER_MODE &lt;/code&gt; if this method is never called.<a name="line.1044"></a>
<FONT color="green">1045</FONT>         * &lt;p&gt;<a name="line.1045"></a>
<FONT color="green">1046</FONT>         * @param mode  The new transfer mode to use (one of the FTP class<a name="line.1046"></a>
<FONT color="green">1047</FONT>         *         &lt;code&gt;_TRANSFER_MODE&lt;/code&gt; constants).<a name="line.1047"></a>
<FONT color="green">1048</FONT>         * @return True if successfully completed, false if not.<a name="line.1048"></a>
<FONT color="green">1049</FONT>         * @exception FTPConnectionClosedException<a name="line.1049"></a>
<FONT color="green">1050</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1050"></a>
<FONT color="green">1051</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1051"></a>
<FONT color="green">1052</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1052"></a>
<FONT color="green">1053</FONT>         *      as an IOException or independently as itself.<a name="line.1053"></a>
<FONT color="green">1054</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1054"></a>
<FONT color="green">1055</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1055"></a>
<FONT color="green">1056</FONT>         ***/<a name="line.1056"></a>
<FONT color="green">1057</FONT>        public boolean setFileTransferMode(int mode) throws IOException<a name="line.1057"></a>
<FONT color="green">1058</FONT>        {<a name="line.1058"></a>
<FONT color="green">1059</FONT>            if (FTPReply.isPositiveCompletion(mode(mode)))<a name="line.1059"></a>
<FONT color="green">1060</FONT>            {<a name="line.1060"></a>
<FONT color="green">1061</FONT>                __fileTransferMode = mode;<a name="line.1061"></a>
<FONT color="green">1062</FONT>                return true;<a name="line.1062"></a>
<FONT color="green">1063</FONT>            }<a name="line.1063"></a>
<FONT color="green">1064</FONT>            return false;<a name="line.1064"></a>
<FONT color="green">1065</FONT>        }<a name="line.1065"></a>
<FONT color="green">1066</FONT>    <a name="line.1066"></a>
<FONT color="green">1067</FONT>    <a name="line.1067"></a>
<FONT color="green">1068</FONT>        /***<a name="line.1068"></a>
<FONT color="green">1069</FONT>         * Initiate a server to server file transfer.  This method tells the<a name="line.1069"></a>
<FONT color="green">1070</FONT>         * server to which the client is connected to retrieve a given file from<a name="line.1070"></a>
<FONT color="green">1071</FONT>         * the other server.<a name="line.1071"></a>
<FONT color="green">1072</FONT>         * &lt;p&gt;<a name="line.1072"></a>
<FONT color="green">1073</FONT>         * @param filename  The name of the file to retrieve.<a name="line.1073"></a>
<FONT color="green">1074</FONT>         * @return True if successfully completed, false if not.<a name="line.1074"></a>
<FONT color="green">1075</FONT>         * @exception FTPConnectionClosedException<a name="line.1075"></a>
<FONT color="green">1076</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1076"></a>
<FONT color="green">1077</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1077"></a>
<FONT color="green">1078</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1078"></a>
<FONT color="green">1079</FONT>         *      as an IOException or independently as itself.<a name="line.1079"></a>
<FONT color="green">1080</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1080"></a>
<FONT color="green">1081</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1081"></a>
<FONT color="green">1082</FONT>         ***/<a name="line.1082"></a>
<FONT color="green">1083</FONT>        public boolean remoteRetrieve(String filename) throws IOException<a name="line.1083"></a>
<FONT color="green">1084</FONT>        {<a name="line.1084"></a>
<FONT color="green">1085</FONT>            if (__dataConnectionMode == ACTIVE_REMOTE_DATA_CONNECTION_MODE ||<a name="line.1085"></a>
<FONT color="green">1086</FONT>                    __dataConnectionMode == PASSIVE_REMOTE_DATA_CONNECTION_MODE)<a name="line.1086"></a>
<FONT color="green">1087</FONT>                return FTPReply.isPositivePreliminary(retr(filename));<a name="line.1087"></a>
<FONT color="green">1088</FONT>            return false;<a name="line.1088"></a>
<FONT color="green">1089</FONT>        }<a name="line.1089"></a>
<FONT color="green">1090</FONT>    <a name="line.1090"></a>
<FONT color="green">1091</FONT>    <a name="line.1091"></a>
<FONT color="green">1092</FONT>        /***<a name="line.1092"></a>
<FONT color="green">1093</FONT>         * Initiate a server to server file transfer.  This method tells the<a name="line.1093"></a>
<FONT color="green">1094</FONT>         * server to which the client is connected to store a file on<a name="line.1094"></a>
<FONT color="green">1095</FONT>         * the other server using the given filename.  The other server must<a name="line.1095"></a>
<FONT color="green">1096</FONT>         * have had a &lt;code&gt; remoteRetrieve &lt;/code&gt; issued to it by another<a name="line.1096"></a>
<FONT color="green">1097</FONT>         * FTPClient.<a name="line.1097"></a>
<FONT color="green">1098</FONT>         * &lt;p&gt;<a name="line.1098"></a>
<FONT color="green">1099</FONT>         * @param filename  The name to call the file that is to be stored.<a name="line.1099"></a>
<FONT color="green">1100</FONT>         * @return True if successfully completed, false if not.<a name="line.1100"></a>
<FONT color="green">1101</FONT>         * @exception FTPConnectionClosedException<a name="line.1101"></a>
<FONT color="green">1102</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1102"></a>
<FONT color="green">1103</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1103"></a>
<FONT color="green">1104</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1104"></a>
<FONT color="green">1105</FONT>         *      as an IOException or independently as itself.<a name="line.1105"></a>
<FONT color="green">1106</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1106"></a>
<FONT color="green">1107</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1107"></a>
<FONT color="green">1108</FONT>         ***/<a name="line.1108"></a>
<FONT color="green">1109</FONT>        public boolean remoteStore(String filename) throws IOException<a name="line.1109"></a>
<FONT color="green">1110</FONT>        {<a name="line.1110"></a>
<FONT color="green">1111</FONT>            if (__dataConnectionMode == ACTIVE_REMOTE_DATA_CONNECTION_MODE ||<a name="line.1111"></a>
<FONT color="green">1112</FONT>                    __dataConnectionMode == PASSIVE_REMOTE_DATA_CONNECTION_MODE)<a name="line.1112"></a>
<FONT color="green">1113</FONT>                return FTPReply.isPositivePreliminary(stor(filename));<a name="line.1113"></a>
<FONT color="green">1114</FONT>            return false;<a name="line.1114"></a>
<FONT color="green">1115</FONT>        }<a name="line.1115"></a>
<FONT color="green">1116</FONT>    <a name="line.1116"></a>
<FONT color="green">1117</FONT>    <a name="line.1117"></a>
<FONT color="green">1118</FONT>        /***<a name="line.1118"></a>
<FONT color="green">1119</FONT>         * Initiate a server to server file transfer.  This method tells the<a name="line.1119"></a>
<FONT color="green">1120</FONT>         * server to which the client is connected to store a file on<a name="line.1120"></a>
<FONT color="green">1121</FONT>         * the other server using a unique filename based on the given filename.<a name="line.1121"></a>
<FONT color="green">1122</FONT>         * The other server must have had a &lt;code&gt; remoteRetrieve &lt;/code&gt; issued<a name="line.1122"></a>
<FONT color="green">1123</FONT>         * to it by another FTPClient.<a name="line.1123"></a>
<FONT color="green">1124</FONT>         * &lt;p&gt;<a name="line.1124"></a>
<FONT color="green">1125</FONT>         * @param filename  The name on which to base the filename of the file<a name="line.1125"></a>
<FONT color="green">1126</FONT>         *                  that is to be stored.<a name="line.1126"></a>
<FONT color="green">1127</FONT>         * @return True if successfully completed, false if not.<a name="line.1127"></a>
<FONT color="green">1128</FONT>         * @exception FTPConnectionClosedException<a name="line.1128"></a>
<FONT color="green">1129</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1129"></a>
<FONT color="green">1130</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1130"></a>
<FONT color="green">1131</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1131"></a>
<FONT color="green">1132</FONT>         *      as an IOException or independently as itself.<a name="line.1132"></a>
<FONT color="green">1133</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1133"></a>
<FONT color="green">1134</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1134"></a>
<FONT color="green">1135</FONT>         ***/<a name="line.1135"></a>
<FONT color="green">1136</FONT>        public boolean remoteStoreUnique(String filename) throws IOException<a name="line.1136"></a>
<FONT color="green">1137</FONT>        {<a name="line.1137"></a>
<FONT color="green">1138</FONT>            if (__dataConnectionMode == ACTIVE_REMOTE_DATA_CONNECTION_MODE ||<a name="line.1138"></a>
<FONT color="green">1139</FONT>                    __dataConnectionMode == PASSIVE_REMOTE_DATA_CONNECTION_MODE)<a name="line.1139"></a>
<FONT color="green">1140</FONT>                return FTPReply.isPositivePreliminary(stou(filename));<a name="line.1140"></a>
<FONT color="green">1141</FONT>            return false;<a name="line.1141"></a>
<FONT color="green">1142</FONT>        }<a name="line.1142"></a>
<FONT color="green">1143</FONT>    <a name="line.1143"></a>
<FONT color="green">1144</FONT>    <a name="line.1144"></a>
<FONT color="green">1145</FONT>        /***<a name="line.1145"></a>
<FONT color="green">1146</FONT>         * Initiate a server to server file transfer.  This method tells the<a name="line.1146"></a>
<FONT color="green">1147</FONT>         * server to which the client is connected to store a file on<a name="line.1147"></a>
<FONT color="green">1148</FONT>         * the other server using a unique filename.<a name="line.1148"></a>
<FONT color="green">1149</FONT>         * The other server must have had a &lt;code&gt; remoteRetrieve &lt;/code&gt; issued<a name="line.1149"></a>
<FONT color="green">1150</FONT>         * to it by another FTPClient.  Many FTP servers require that a base<a name="line.1150"></a>
<FONT color="green">1151</FONT>         * filename be given from which the unique filename can be derived.  For<a name="line.1151"></a>
<FONT color="green">1152</FONT>         * those servers use the other version of &lt;code&gt; remoteStoreUnique&lt;/code&gt;<a name="line.1152"></a>
<FONT color="green">1153</FONT>         * &lt;p&gt;<a name="line.1153"></a>
<FONT color="green">1154</FONT>         * @return True if successfully completed, false if not.<a name="line.1154"></a>
<FONT color="green">1155</FONT>         * @exception FTPConnectionClosedException<a name="line.1155"></a>
<FONT color="green">1156</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1156"></a>
<FONT color="green">1157</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1157"></a>
<FONT color="green">1158</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1158"></a>
<FONT color="green">1159</FONT>         *      as an IOException or independently as itself.<a name="line.1159"></a>
<FONT color="green">1160</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1160"></a>
<FONT color="green">1161</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1161"></a>
<FONT color="green">1162</FONT>         ***/<a name="line.1162"></a>
<FONT color="green">1163</FONT>        public boolean remoteStoreUnique() throws IOException<a name="line.1163"></a>
<FONT color="green">1164</FONT>        {<a name="line.1164"></a>
<FONT color="green">1165</FONT>            if (__dataConnectionMode == ACTIVE_REMOTE_DATA_CONNECTION_MODE ||<a name="line.1165"></a>
<FONT color="green">1166</FONT>                    __dataConnectionMode == PASSIVE_REMOTE_DATA_CONNECTION_MODE)<a name="line.1166"></a>
<FONT color="green">1167</FONT>                return FTPReply.isPositivePreliminary(stou());<a name="line.1167"></a>
<FONT color="green">1168</FONT>            return false;<a name="line.1168"></a>
<FONT color="green">1169</FONT>        }<a name="line.1169"></a>
<FONT color="green">1170</FONT>    <a name="line.1170"></a>
<FONT color="green">1171</FONT>        // For server to server transfers<a name="line.1171"></a>
<FONT color="green">1172</FONT>        /***<a name="line.1172"></a>
<FONT color="green">1173</FONT>         * Initiate a server to server file transfer.  This method tells the<a name="line.1173"></a>
<FONT color="green">1174</FONT>         * server to which the client is connected to append to a given file on<a name="line.1174"></a>
<FONT color="green">1175</FONT>         * the other server.  The other server must have had a<a name="line.1175"></a>
<FONT color="green">1176</FONT>         * &lt;code&gt; remoteRetrieve &lt;/code&gt; issued to it by another FTPClient.<a name="line.1176"></a>
<FONT color="green">1177</FONT>         * &lt;p&gt;<a name="line.1177"></a>
<FONT color="green">1178</FONT>         * @param filename  The name of the file to be appended to, or if the<a name="line.1178"></a>
<FONT color="green">1179</FONT>         *        file does not exist, the name to call the file being stored.<a name="line.1179"></a>
<FONT color="green">1180</FONT>         * &lt;p&gt;<a name="line.1180"></a>
<FONT color="green">1181</FONT>         * @return True if successfully completed, false if not.<a name="line.1181"></a>
<FONT color="green">1182</FONT>         * @exception FTPConnectionClosedException<a name="line.1182"></a>
<FONT color="green">1183</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1183"></a>
<FONT color="green">1184</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1184"></a>
<FONT color="green">1185</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1185"></a>
<FONT color="green">1186</FONT>         *      as an IOException or independently as itself.<a name="line.1186"></a>
<FONT color="green">1187</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1187"></a>
<FONT color="green">1188</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1188"></a>
<FONT color="green">1189</FONT>         ***/<a name="line.1189"></a>
<FONT color="green">1190</FONT>        public boolean remoteAppend(String filename) throws IOException<a name="line.1190"></a>
<FONT color="green">1191</FONT>        {<a name="line.1191"></a>
<FONT color="green">1192</FONT>            if (__dataConnectionMode == ACTIVE_REMOTE_DATA_CONNECTION_MODE ||<a name="line.1192"></a>
<FONT color="green">1193</FONT>                    __dataConnectionMode == PASSIVE_REMOTE_DATA_CONNECTION_MODE)<a name="line.1193"></a>
<FONT color="green">1194</FONT>                return FTPReply.isPositivePreliminary(stor(filename));<a name="line.1194"></a>
<FONT color="green">1195</FONT>            return false;<a name="line.1195"></a>
<FONT color="green">1196</FONT>        }<a name="line.1196"></a>
<FONT color="green">1197</FONT>    <a name="line.1197"></a>
<FONT color="green">1198</FONT>        /***<a name="line.1198"></a>
<FONT color="green">1199</FONT>         * There are a few FTPClient methods that do not complete the<a name="line.1199"></a>
<FONT color="green">1200</FONT>         * entire sequence of FTP commands to complete a transaction.  These<a name="line.1200"></a>
<FONT color="green">1201</FONT>         * commands require some action by the programmer after the reception<a name="line.1201"></a>
<FONT color="green">1202</FONT>         * of a positive intermediate command.  After the programmer's code<a name="line.1202"></a>
<FONT color="green">1203</FONT>         * completes its actions, it must call this method to receive<a name="line.1203"></a>
<FONT color="green">1204</FONT>         * the completion reply from the server and verify the success of the<a name="line.1204"></a>
<FONT color="green">1205</FONT>         * entire transaction.<a name="line.1205"></a>
<FONT color="green">1206</FONT>         * &lt;p&gt;<a name="line.1206"></a>
<FONT color="green">1207</FONT>         * For example,<a name="line.1207"></a>
<FONT color="green">1208</FONT>         * &lt;pre&gt;<a name="line.1208"></a>
<FONT color="green">1209</FONT>         * InputStream input;<a name="line.1209"></a>
<FONT color="green">1210</FONT>         * OutputStream output;<a name="line.1210"></a>
<FONT color="green">1211</FONT>         * input  = new FileInputStream("foobaz.txt");<a name="line.1211"></a>
<FONT color="green">1212</FONT>         * output = ftp.storeFileStream("foobar.txt")<a name="line.1212"></a>
<FONT color="green">1213</FONT>         * if(!FTPReply.isPositiveIntermediate(ftp.getReplyCode())) {<a name="line.1213"></a>
<FONT color="green">1214</FONT>         *     input.close();<a name="line.1214"></a>
<FONT color="green">1215</FONT>         *     output.close();<a name="line.1215"></a>
<FONT color="green">1216</FONT>         *     ftp.logout();<a name="line.1216"></a>
<FONT color="green">1217</FONT>         *     ftp.disconnect();<a name="line.1217"></a>
<FONT color="green">1218</FONT>         *     System.err.println("File transfer failed.");<a name="line.1218"></a>
<FONT color="green">1219</FONT>         *     System.exit(1);<a name="line.1219"></a>
<FONT color="green">1220</FONT>         * }<a name="line.1220"></a>
<FONT color="green">1221</FONT>         * Util.copyStream(input, output);<a name="line.1221"></a>
<FONT color="green">1222</FONT>         * input.close();<a name="line.1222"></a>
<FONT color="green">1223</FONT>         * output.close();<a name="line.1223"></a>
<FONT color="green">1224</FONT>         * // Must call completePendingCommand() to finish command.<a name="line.1224"></a>
<FONT color="green">1225</FONT>         * if(!ftp.completePendingCommand()) {<a name="line.1225"></a>
<FONT color="green">1226</FONT>         *     ftp.logout();<a name="line.1226"></a>
<FONT color="green">1227</FONT>         *     ftp.disconnect();<a name="line.1227"></a>
<FONT color="green">1228</FONT>         *     System.err.println("File transfer failed.");<a name="line.1228"></a>
<FONT color="green">1229</FONT>         *     System.exit(1);<a name="line.1229"></a>
<FONT color="green">1230</FONT>         * }<a name="line.1230"></a>
<FONT color="green">1231</FONT>         * &lt;/pre&gt;<a name="line.1231"></a>
<FONT color="green">1232</FONT>         * &lt;p&gt;<a name="line.1232"></a>
<FONT color="green">1233</FONT>         * @return True if successfully completed, false if not.<a name="line.1233"></a>
<FONT color="green">1234</FONT>         * @exception FTPConnectionClosedException<a name="line.1234"></a>
<FONT color="green">1235</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1235"></a>
<FONT color="green">1236</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1236"></a>
<FONT color="green">1237</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1237"></a>
<FONT color="green">1238</FONT>         *      as an IOException or independently as itself.<a name="line.1238"></a>
<FONT color="green">1239</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1239"></a>
<FONT color="green">1240</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1240"></a>
<FONT color="green">1241</FONT>         ***/<a name="line.1241"></a>
<FONT color="green">1242</FONT>        public boolean completePendingCommand() throws IOException<a name="line.1242"></a>
<FONT color="green">1243</FONT>        {<a name="line.1243"></a>
<FONT color="green">1244</FONT>            return FTPReply.isPositiveCompletion(getReply());<a name="line.1244"></a>
<FONT color="green">1245</FONT>        }<a name="line.1245"></a>
<FONT color="green">1246</FONT>    <a name="line.1246"></a>
<FONT color="green">1247</FONT>    <a name="line.1247"></a>
<FONT color="green">1248</FONT>        /***<a name="line.1248"></a>
<FONT color="green">1249</FONT>         * Retrieves a named file from the server and writes it to the given<a name="line.1249"></a>
<FONT color="green">1250</FONT>         * OutputStream.  This method does NOT close the given OutputStream.<a name="line.1250"></a>
<FONT color="green">1251</FONT>         * If the current file type is ASCII, line separators in the file are<a name="line.1251"></a>
<FONT color="green">1252</FONT>         * converted to the local representation.<a name="line.1252"></a>
<FONT color="green">1253</FONT>         * &lt;p&gt;<a name="line.1253"></a>
<FONT color="green">1254</FONT>         * @param remote  The name of the remote file.<a name="line.1254"></a>
<FONT color="green">1255</FONT>         * @param local   The local OutputStream to which to write the file.<a name="line.1255"></a>
<FONT color="green">1256</FONT>         * @return True if successfully completed, false if not.<a name="line.1256"></a>
<FONT color="green">1257</FONT>         * @exception FTPConnectionClosedException<a name="line.1257"></a>
<FONT color="green">1258</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1258"></a>
<FONT color="green">1259</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1259"></a>
<FONT color="green">1260</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1260"></a>
<FONT color="green">1261</FONT>         *      as an IOException or independently as itself.<a name="line.1261"></a>
<FONT color="green">1262</FONT>         * @exception CopyStreamException  If an I/O error occurs while actually<a name="line.1262"></a>
<FONT color="green">1263</FONT>         *      transferring the file.  The CopyStreamException allows you to<a name="line.1263"></a>
<FONT color="green">1264</FONT>         *      determine the number of bytes transferred and the IOException<a name="line.1264"></a>
<FONT color="green">1265</FONT>         *      causing the error.  This exception may be caught either<a name="line.1265"></a>
<FONT color="green">1266</FONT>         *      as an IOException or independently as itself.<a name="line.1266"></a>
<FONT color="green">1267</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1267"></a>
<FONT color="green">1268</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1268"></a>
<FONT color="green">1269</FONT>         ***/<a name="line.1269"></a>
<FONT color="green">1270</FONT>        public boolean retrieveFile(String remote, OutputStream local)<a name="line.1270"></a>
<FONT color="green">1271</FONT>        throws IOException<a name="line.1271"></a>
<FONT color="green">1272</FONT>        {<a name="line.1272"></a>
<FONT color="green">1273</FONT>            InputStream input;<a name="line.1273"></a>
<FONT color="green">1274</FONT>            Socket socket;<a name="line.1274"></a>
<FONT color="green">1275</FONT>    <a name="line.1275"></a>
<FONT color="green">1276</FONT>            if ((socket = _openDataConnection_(FTPCommand.RETR, remote)) == null)<a name="line.1276"></a>
<FONT color="green">1277</FONT>                return false;<a name="line.1277"></a>
<FONT color="green">1278</FONT>    <a name="line.1278"></a>
<FONT color="green">1279</FONT>            input = new BufferedInputStream(socket.getInputStream(),<a name="line.1279"></a>
<FONT color="green">1280</FONT>                                            getBufferSize());<a name="line.1280"></a>
<FONT color="green">1281</FONT>            if (__fileType == ASCII_FILE_TYPE)<a name="line.1281"></a>
<FONT color="green">1282</FONT>              input = new FromNetASCIIInputStream(input);<a name="line.1282"></a>
<FONT color="green">1283</FONT>            // Treat everything else as binary for now<a name="line.1283"></a>
<FONT color="green">1284</FONT>            try<a name="line.1284"></a>
<FONT color="green">1285</FONT>            {<a name="line.1285"></a>
<FONT color="green">1286</FONT>                Util.copyStream(input, local, getBufferSize(),<a name="line.1286"></a>
<FONT color="green">1287</FONT>                                CopyStreamEvent.UNKNOWN_STREAM_SIZE, null,<a name="line.1287"></a>
<FONT color="green">1288</FONT>                                false);<a name="line.1288"></a>
<FONT color="green">1289</FONT>            }<a name="line.1289"></a>
<FONT color="green">1290</FONT>            catch (IOException e)<a name="line.1290"></a>
<FONT color="green">1291</FONT>            {<a name="line.1291"></a>
<FONT color="green">1292</FONT>                try<a name="line.1292"></a>
<FONT color="green">1293</FONT>                {<a name="line.1293"></a>
<FONT color="green">1294</FONT>                    socket.close();<a name="line.1294"></a>
<FONT color="green">1295</FONT>                }<a name="line.1295"></a>
<FONT color="green">1296</FONT>                catch (IOException f)<a name="line.1296"></a>
<FONT color="green">1297</FONT>                {}<a name="line.1297"></a>
<FONT color="green">1298</FONT>                throw e;<a name="line.1298"></a>
<FONT color="green">1299</FONT>            }<a name="line.1299"></a>
<FONT color="green">1300</FONT>            socket.close();<a name="line.1300"></a>
<FONT color="green">1301</FONT>            return completePendingCommand();<a name="line.1301"></a>
<FONT color="green">1302</FONT>        }<a name="line.1302"></a>
<FONT color="green">1303</FONT>    <a name="line.1303"></a>
<FONT color="green">1304</FONT>        /***<a name="line.1304"></a>
<FONT color="green">1305</FONT>         * Returns an InputStream from which a named file from the server<a name="line.1305"></a>
<FONT color="green">1306</FONT>         * can be read.  If the current file type is ASCII, the returned<a name="line.1306"></a>
<FONT color="green">1307</FONT>         * InputStream will convert line separators in the file to<a name="line.1307"></a>
<FONT color="green">1308</FONT>         * the local representation.  You must close the InputStream when you<a name="line.1308"></a>
<FONT color="green">1309</FONT>         * finish reading from it.  The InputStream itself will take care of<a name="line.1309"></a>
<FONT color="green">1310</FONT>         * closing the parent data connection socket upon being closed.  To<a name="line.1310"></a>
<FONT color="green">1311</FONT>         * finalize the file transfer you must call<a name="line.1311"></a>
<FONT color="green">1312</FONT>         * {@link #completePendingCommand  completePendingCommand } and<a name="line.1312"></a>
<FONT color="green">1313</FONT>         * check its return value to verify success.<a name="line.1313"></a>
<FONT color="green">1314</FONT>         * &lt;p&gt;<a name="line.1314"></a>
<FONT color="green">1315</FONT>         * @param remote  The name of the remote file.<a name="line.1315"></a>
<FONT color="green">1316</FONT>         * @return An InputStream from which the remote file can be read.  If<a name="line.1316"></a>
<FONT color="green">1317</FONT>         *      the data connection cannot be opened (e.g., the file does not<a name="line.1317"></a>
<FONT color="green">1318</FONT>         *      exist), null is returned (in which case you may check the reply<a name="line.1318"></a>
<FONT color="green">1319</FONT>         *      code to determine the exact reason for failure).<a name="line.1319"></a>
<FONT color="green">1320</FONT>         * @exception FTPConnectionClosedException<a name="line.1320"></a>
<FONT color="green">1321</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1321"></a>
<FONT color="green">1322</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1322"></a>
<FONT color="green">1323</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1323"></a>
<FONT color="green">1324</FONT>         *      as an IOException or independently as itself.<a name="line.1324"></a>
<FONT color="green">1325</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1325"></a>
<FONT color="green">1326</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1326"></a>
<FONT color="green">1327</FONT>         ***/<a name="line.1327"></a>
<FONT color="green">1328</FONT>        public InputStream retrieveFileStream(String remote) throws IOException<a name="line.1328"></a>
<FONT color="green">1329</FONT>        {<a name="line.1329"></a>
<FONT color="green">1330</FONT>            InputStream input;<a name="line.1330"></a>
<FONT color="green">1331</FONT>            Socket socket;<a name="line.1331"></a>
<FONT color="green">1332</FONT>    <a name="line.1332"></a>
<FONT color="green">1333</FONT>            if ((socket = _openDataConnection_(FTPCommand.RETR, remote)) == null)<a name="line.1333"></a>
<FONT color="green">1334</FONT>                return null;<a name="line.1334"></a>
<FONT color="green">1335</FONT>    <a name="line.1335"></a>
<FONT color="green">1336</FONT>            input = socket.getInputStream();<a name="line.1336"></a>
<FONT color="green">1337</FONT>            if (__fileType == ASCII_FILE_TYPE) {<a name="line.1337"></a>
<FONT color="green">1338</FONT>              // We buffer ascii transfers because the buffering has to<a name="line.1338"></a>
<FONT color="green">1339</FONT>              // be interposed between FromNetASCIIOutputSream and the underlying<a name="line.1339"></a>
<FONT color="green">1340</FONT>              // socket input stream.  We don't buffer binary transfers<a name="line.1340"></a>
<FONT color="green">1341</FONT>              // because we don't want to impose a buffering policy on the<a name="line.1341"></a>
<FONT color="green">1342</FONT>              // programmer if possible.  Programmers can decide on their<a name="line.1342"></a>
<FONT color="green">1343</FONT>              // own if they want to wrap the SocketInputStream we return<a name="line.1343"></a>
<FONT color="green">1344</FONT>              // for file types other than ASCII.<a name="line.1344"></a>
<FONT color="green">1345</FONT>              input = new BufferedInputStream(input,<a name="line.1345"></a>
<FONT color="green">1346</FONT>                                              getBufferSize());<a name="line.1346"></a>
<FONT color="green">1347</FONT>              input = new FromNetASCIIInputStream(input);<a name="line.1347"></a>
<FONT color="green">1348</FONT>            }<a name="line.1348"></a>
<FONT color="green">1349</FONT>            return new org.apache.commons.net.io.SocketInputStream(socket, input);<a name="line.1349"></a>
<FONT color="green">1350</FONT>        }<a name="line.1350"></a>
<FONT color="green">1351</FONT>    <a name="line.1351"></a>
<FONT color="green">1352</FONT>    <a name="line.1352"></a>
<FONT color="green">1353</FONT>        /***<a name="line.1353"></a>
<FONT color="green">1354</FONT>         * Stores a file on the server using the given name and taking input<a name="line.1354"></a>
<FONT color="green">1355</FONT>         * from the given InputStream.  This method does NOT close the given<a name="line.1355"></a>
<FONT color="green">1356</FONT>         * InputStream.  If the current file type is ASCII, line separators in<a name="line.1356"></a>
<FONT color="green">1357</FONT>         * the file are transparently converted to the NETASCII format (i.e.,<a name="line.1357"></a>
<FONT color="green">1358</FONT>         * you should not attempt to create a special InputStream to do this).<a name="line.1358"></a>
<FONT color="green">1359</FONT>         * &lt;p&gt;<a name="line.1359"></a>
<FONT color="green">1360</FONT>         * @param remote  The name to give the remote file.<a name="line.1360"></a>
<FONT color="green">1361</FONT>         * @param local   The local InputStream from which to read the file.<a name="line.1361"></a>
<FONT color="green">1362</FONT>         * @return True if successfully completed, false if not.<a name="line.1362"></a>
<FONT color="green">1363</FONT>         * @exception FTPConnectionClosedException<a name="line.1363"></a>
<FONT color="green">1364</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1364"></a>
<FONT color="green">1365</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1365"></a>
<FONT color="green">1366</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1366"></a>
<FONT color="green">1367</FONT>         *      as an IOException or independently as itself.<a name="line.1367"></a>
<FONT color="green">1368</FONT>         * @exception CopyStreamException  If an I/O error occurs while actually<a name="line.1368"></a>
<FONT color="green">1369</FONT>         *      transferring the file.  The CopyStreamException allows you to<a name="line.1369"></a>
<FONT color="green">1370</FONT>         *      determine the number of bytes transferred and the IOException<a name="line.1370"></a>
<FONT color="green">1371</FONT>         *      causing the error.  This exception may be caught either<a name="line.1371"></a>
<FONT color="green">1372</FONT>         *      as an IOException or independently as itself.<a name="line.1372"></a>
<FONT color="green">1373</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1373"></a>
<FONT color="green">1374</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1374"></a>
<FONT color="green">1375</FONT>         ***/<a name="line.1375"></a>
<FONT color="green">1376</FONT>        public boolean storeFile(String remote, InputStream local)<a name="line.1376"></a>
<FONT color="green">1377</FONT>        throws IOException<a name="line.1377"></a>
<FONT color="green">1378</FONT>        {<a name="line.1378"></a>
<FONT color="green">1379</FONT>            return __storeFile(FTPCommand.STOR, remote, local);<a name="line.1379"></a>
<FONT color="green">1380</FONT>        }<a name="line.1380"></a>
<FONT color="green">1381</FONT>    <a name="line.1381"></a>
<FONT color="green">1382</FONT>    <a name="line.1382"></a>
<FONT color="green">1383</FONT>        /***<a name="line.1383"></a>
<FONT color="green">1384</FONT>         * Returns an OutputStream through which data can be written to store<a name="line.1384"></a>
<FONT color="green">1385</FONT>         * a file on the server using the given name.  If the current file type<a name="line.1385"></a>
<FONT color="green">1386</FONT>         * is ASCII, the returned OutputStream will convert line separators in<a name="line.1386"></a>
<FONT color="green">1387</FONT>         * the file to the NETASCII format  (i.e., you should not attempt to<a name="line.1387"></a>
<FONT color="green">1388</FONT>         * create a special OutputStream to do this).  You must close the<a name="line.1388"></a>
<FONT color="green">1389</FONT>         * OutputStream when you finish writing to it.  The OutputStream itself<a name="line.1389"></a>
<FONT color="green">1390</FONT>         * will take care of closing the parent data connection socket upon being<a name="line.1390"></a>
<FONT color="green">1391</FONT>         * closed.  To finalize the file transfer you must call<a name="line.1391"></a>
<FONT color="green">1392</FONT>         * {@link #completePendingCommand  completePendingCommand } and<a name="line.1392"></a>
<FONT color="green">1393</FONT>         * check its return value to verify success.<a name="line.1393"></a>
<FONT color="green">1394</FONT>         * &lt;p&gt;<a name="line.1394"></a>
<FONT color="green">1395</FONT>         * @param remote  The name to give the remote file.<a name="line.1395"></a>
<FONT color="green">1396</FONT>         * @return An OutputStream through which the remote file can be written.  If<a name="line.1396"></a>
<FONT color="green">1397</FONT>         *      the data connection cannot be opened (e.g., the file does not<a name="line.1397"></a>
<FONT color="green">1398</FONT>         *      exist), null is returned (in which case you may check the reply<a name="line.1398"></a>
<FONT color="green">1399</FONT>         *      code to determine the exact reason for failure).<a name="line.1399"></a>
<FONT color="green">1400</FONT>         * @exception FTPConnectionClosedException<a name="line.1400"></a>
<FONT color="green">1401</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1401"></a>
<FONT color="green">1402</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1402"></a>
<FONT color="green">1403</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1403"></a>
<FONT color="green">1404</FONT>         *      as an IOException or independently as itself.<a name="line.1404"></a>
<FONT color="green">1405</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1405"></a>
<FONT color="green">1406</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1406"></a>
<FONT color="green">1407</FONT>         ***/<a name="line.1407"></a>
<FONT color="green">1408</FONT>        public OutputStream storeFileStream(String remote) throws IOException<a name="line.1408"></a>
<FONT color="green">1409</FONT>        {<a name="line.1409"></a>
<FONT color="green">1410</FONT>            return __storeFileStream(FTPCommand.STOR, remote);<a name="line.1410"></a>
<FONT color="green">1411</FONT>        }<a name="line.1411"></a>
<FONT color="green">1412</FONT>    <a name="line.1412"></a>
<FONT color="green">1413</FONT>        /***<a name="line.1413"></a>
<FONT color="green">1414</FONT>         * Appends to a file on the server with the given name, taking input<a name="line.1414"></a>
<FONT color="green">1415</FONT>         * from the given InputStream.  This method does NOT close the given<a name="line.1415"></a>
<FONT color="green">1416</FONT>         * InputStream.  If the current file type is ASCII, line separators in<a name="line.1416"></a>
<FONT color="green">1417</FONT>         * the file are transparently converted to the NETASCII format (i.e.,<a name="line.1417"></a>
<FONT color="green">1418</FONT>         * you should not attempt to create a special InputStream to do this).<a name="line.1418"></a>
<FONT color="green">1419</FONT>         * &lt;p&gt;<a name="line.1419"></a>
<FONT color="green">1420</FONT>         * @param remote  The name of the remote file.<a name="line.1420"></a>
<FONT color="green">1421</FONT>         * @param local   The local InputStream from which to read the data to<a name="line.1421"></a>
<FONT color="green">1422</FONT>         *                be appended to the remote file.<a name="line.1422"></a>
<FONT color="green">1423</FONT>         * @return True if successfully completed, false if not.<a name="line.1423"></a>
<FONT color="green">1424</FONT>         * @exception FTPConnectionClosedException<a name="line.1424"></a>
<FONT color="green">1425</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1425"></a>
<FONT color="green">1426</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1426"></a>
<FONT color="green">1427</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1427"></a>
<FONT color="green">1428</FONT>         *      as an IOException or independently as itself.<a name="line.1428"></a>
<FONT color="green">1429</FONT>         * @exception CopyStreamException  If an I/O error occurs while actually<a name="line.1429"></a>
<FONT color="green">1430</FONT>         *      transferring the file.  The CopyStreamException allows you to<a name="line.1430"></a>
<FONT color="green">1431</FONT>         *      determine the number of bytes transferred and the IOException<a name="line.1431"></a>
<FONT color="green">1432</FONT>         *      causing the error.  This exception may be caught either<a name="line.1432"></a>
<FONT color="green">1433</FONT>         *      as an IOException or independently as itself.<a name="line.1433"></a>
<FONT color="green">1434</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1434"></a>
<FONT color="green">1435</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1435"></a>
<FONT color="green">1436</FONT>         ***/<a name="line.1436"></a>
<FONT color="green">1437</FONT>        public boolean appendFile(String remote, InputStream local)<a name="line.1437"></a>
<FONT color="green">1438</FONT>        throws IOException<a name="line.1438"></a>
<FONT color="green">1439</FONT>        {<a name="line.1439"></a>
<FONT color="green">1440</FONT>            return __storeFile(FTPCommand.APPE, remote, local);<a name="line.1440"></a>
<FONT color="green">1441</FONT>        }<a name="line.1441"></a>
<FONT color="green">1442</FONT>    <a name="line.1442"></a>
<FONT color="green">1443</FONT>        /***<a name="line.1443"></a>
<FONT color="green">1444</FONT>         * Returns an OutputStream through which data can be written to append<a name="line.1444"></a>
<FONT color="green">1445</FONT>         * to a file on the server with the given name.  If the current file type<a name="line.1445"></a>
<FONT color="green">1446</FONT>         * is ASCII, the returned OutputStream will convert line separators in<a name="line.1446"></a>
<FONT color="green">1447</FONT>         * the file to the NETASCII format  (i.e., you should not attempt to<a name="line.1447"></a>
<FONT color="green">1448</FONT>         * create a special OutputStream to do this).  You must close the<a name="line.1448"></a>
<FONT color="green">1449</FONT>         * OutputStream when you finish writing to it.  The OutputStream itself<a name="line.1449"></a>
<FONT color="green">1450</FONT>         * will take care of closing the parent data connection socket upon being<a name="line.1450"></a>
<FONT color="green">1451</FONT>         * closed.  To finalize the file transfer you must call<a name="line.1451"></a>
<FONT color="green">1452</FONT>         * {@link #completePendingCommand  completePendingCommand } and<a name="line.1452"></a>
<FONT color="green">1453</FONT>         * check its return value to verify success.<a name="line.1453"></a>
<FONT color="green">1454</FONT>         * &lt;p&gt;<a name="line.1454"></a>
<FONT color="green">1455</FONT>         * @param remote  The name of the remote file.<a name="line.1455"></a>
<FONT color="green">1456</FONT>         * @return An OutputStream through which the remote file can be appended.<a name="line.1456"></a>
<FONT color="green">1457</FONT>         *      If the data connection cannot be opened (e.g., the file does not<a name="line.1457"></a>
<FONT color="green">1458</FONT>         *      exist), null is returned (in which case you may check the reply<a name="line.1458"></a>
<FONT color="green">1459</FONT>         *      code to determine the exact reason for failure).<a name="line.1459"></a>
<FONT color="green">1460</FONT>         * @exception FTPConnectionClosedException<a name="line.1460"></a>
<FONT color="green">1461</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1461"></a>
<FONT color="green">1462</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1462"></a>
<FONT color="green">1463</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1463"></a>
<FONT color="green">1464</FONT>         *      as an IOException or independently as itself.<a name="line.1464"></a>
<FONT color="green">1465</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1465"></a>
<FONT color="green">1466</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1466"></a>
<FONT color="green">1467</FONT>         ***/<a name="line.1467"></a>
<FONT color="green">1468</FONT>        public OutputStream appendFileStream(String remote) throws IOException<a name="line.1468"></a>
<FONT color="green">1469</FONT>        {<a name="line.1469"></a>
<FONT color="green">1470</FONT>            return __storeFileStream(FTPCommand.APPE, remote);<a name="line.1470"></a>
<FONT color="green">1471</FONT>        }<a name="line.1471"></a>
<FONT color="green">1472</FONT>    <a name="line.1472"></a>
<FONT color="green">1473</FONT>        /***<a name="line.1473"></a>
<FONT color="green">1474</FONT>         * Stores a file on the server using a unique name derived from the<a name="line.1474"></a>
<FONT color="green">1475</FONT>         * given name and taking input<a name="line.1475"></a>
<FONT color="green">1476</FONT>         * from the given InputStream.  This method does NOT close the given<a name="line.1476"></a>
<FONT color="green">1477</FONT>         * InputStream.  If the current file type is ASCII, line separators in<a name="line.1477"></a>
<FONT color="green">1478</FONT>         * the file are transparently converted to the NETASCII format (i.e.,<a name="line.1478"></a>
<FONT color="green">1479</FONT>         * you should not attempt to create a special InputStream to do this).<a name="line.1479"></a>
<FONT color="green">1480</FONT>         * &lt;p&gt;<a name="line.1480"></a>
<FONT color="green">1481</FONT>         * @param remote  The name on which to base the unique name given to<a name="line.1481"></a>
<FONT color="green">1482</FONT>         *                the remote file.<a name="line.1482"></a>
<FONT color="green">1483</FONT>         * @param local   The local InputStream from which to read the file.<a name="line.1483"></a>
<FONT color="green">1484</FONT>         * @return True if successfully completed, false if not.<a name="line.1484"></a>
<FONT color="green">1485</FONT>         * @exception FTPConnectionClosedException<a name="line.1485"></a>
<FONT color="green">1486</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1486"></a>
<FONT color="green">1487</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1487"></a>
<FONT color="green">1488</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1488"></a>
<FONT color="green">1489</FONT>         *      as an IOException or independently as itself.<a name="line.1489"></a>
<FONT color="green">1490</FONT>         * @exception CopyStreamException  If an I/O error occurs while actually<a name="line.1490"></a>
<FONT color="green">1491</FONT>         *      transferring the file.  The CopyStreamException allows you to<a name="line.1491"></a>
<FONT color="green">1492</FONT>         *      determine the number of bytes transferred and the IOException<a name="line.1492"></a>
<FONT color="green">1493</FONT>         *      causing the error.  This exception may be caught either<a name="line.1493"></a>
<FONT color="green">1494</FONT>         *      as an IOException or independently as itself.<a name="line.1494"></a>
<FONT color="green">1495</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1495"></a>
<FONT color="green">1496</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1496"></a>
<FONT color="green">1497</FONT>         ***/<a name="line.1497"></a>
<FONT color="green">1498</FONT>        public boolean storeUniqueFile(String remote, InputStream local)<a name="line.1498"></a>
<FONT color="green">1499</FONT>        throws IOException<a name="line.1499"></a>
<FONT color="green">1500</FONT>        {<a name="line.1500"></a>
<FONT color="green">1501</FONT>            return __storeFile(FTPCommand.STOU, remote, local);<a name="line.1501"></a>
<FONT color="green">1502</FONT>        }<a name="line.1502"></a>
<FONT color="green">1503</FONT>    <a name="line.1503"></a>
<FONT color="green">1504</FONT>    <a name="line.1504"></a>
<FONT color="green">1505</FONT>        /***<a name="line.1505"></a>
<FONT color="green">1506</FONT>         * Returns an OutputStream through which data can be written to store<a name="line.1506"></a>
<FONT color="green">1507</FONT>         * a file on the server using a unique name derived from the given name.<a name="line.1507"></a>
<FONT color="green">1508</FONT>         * If the current file type<a name="line.1508"></a>
<FONT color="green">1509</FONT>         * is ASCII, the returned OutputStream will convert line separators in<a name="line.1509"></a>
<FONT color="green">1510</FONT>         * the file to the NETASCII format  (i.e., you should not attempt to<a name="line.1510"></a>
<FONT color="green">1511</FONT>         * create a special OutputStream to do this).  You must close the<a name="line.1511"></a>
<FONT color="green">1512</FONT>         * OutputStream when you finish writing to it.  The OutputStream itself<a name="line.1512"></a>
<FONT color="green">1513</FONT>         * will take care of closing the parent data connection socket upon being<a name="line.1513"></a>
<FONT color="green">1514</FONT>         * closed.  To finalize the file transfer you must call<a name="line.1514"></a>
<FONT color="green">1515</FONT>         * {@link #completePendingCommand  completePendingCommand } and<a name="line.1515"></a>
<FONT color="green">1516</FONT>         * check its return value to verify success.<a name="line.1516"></a>
<FONT color="green">1517</FONT>         * &lt;p&gt;<a name="line.1517"></a>
<FONT color="green">1518</FONT>         * @param remote  The name on which to base the unique name given to<a name="line.1518"></a>
<FONT color="green">1519</FONT>         *                the remote file.<a name="line.1519"></a>
<FONT color="green">1520</FONT>         * @return An OutputStream through which the remote file can be written.  If<a name="line.1520"></a>
<FONT color="green">1521</FONT>         *      the data connection cannot be opened (e.g., the file does not<a name="line.1521"></a>
<FONT color="green">1522</FONT>         *      exist), null is returned (in which case you may check the reply<a name="line.1522"></a>
<FONT color="green">1523</FONT>         *      code to determine the exact reason for failure).<a name="line.1523"></a>
<FONT color="green">1524</FONT>         * @exception FTPConnectionClosedException<a name="line.1524"></a>
<FONT color="green">1525</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1525"></a>
<FONT color="green">1526</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1526"></a>
<FONT color="green">1527</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1527"></a>
<FONT color="green">1528</FONT>         *      as an IOException or independently as itself.<a name="line.1528"></a>
<FONT color="green">1529</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1529"></a>
<FONT color="green">1530</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1530"></a>
<FONT color="green">1531</FONT>         ***/<a name="line.1531"></a>
<FONT color="green">1532</FONT>        public OutputStream storeUniqueFileStream(String remote) throws IOException<a name="line.1532"></a>
<FONT color="green">1533</FONT>        {<a name="line.1533"></a>
<FONT color="green">1534</FONT>            return __storeFileStream(FTPCommand.STOU, remote);<a name="line.1534"></a>
<FONT color="green">1535</FONT>        }<a name="line.1535"></a>
<FONT color="green">1536</FONT>    <a name="line.1536"></a>
<FONT color="green">1537</FONT>        /**<a name="line.1537"></a>
<FONT color="green">1538</FONT>         * Stores a file on the server using a unique name assigned by the<a name="line.1538"></a>
<FONT color="green">1539</FONT>         * server and taking input from the given InputStream.  This method does<a name="line.1539"></a>
<FONT color="green">1540</FONT>         * NOT close the given<a name="line.1540"></a>
<FONT color="green">1541</FONT>         * InputStream.  If the current file type is ASCII, line separators in<a name="line.1541"></a>
<FONT color="green">1542</FONT>         * the file are transparently converted to the NETASCII format (i.e.,<a name="line.1542"></a>
<FONT color="green">1543</FONT>         * you should not attempt to create a special InputStream to do this).<a name="line.1543"></a>
<FONT color="green">1544</FONT>         * &lt;p&gt;<a name="line.1544"></a>
<FONT color="green">1545</FONT>         * @param local   The local InputStream from which to read the file.<a name="line.1545"></a>
<FONT color="green">1546</FONT>         * @return True if successfully completed, false if not.<a name="line.1546"></a>
<FONT color="green">1547</FONT>         * @exception FTPConnectionClosedException<a name="line.1547"></a>
<FONT color="green">1548</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1548"></a>
<FONT color="green">1549</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1549"></a>
<FONT color="green">1550</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1550"></a>
<FONT color="green">1551</FONT>         *      as an IOException or independently as itself.<a name="line.1551"></a>
<FONT color="green">1552</FONT>         * @exception CopyStreamException  If an I/O error occurs while actually<a name="line.1552"></a>
<FONT color="green">1553</FONT>         *      transferring the file.  The CopyStreamException allows you to<a name="line.1553"></a>
<FONT color="green">1554</FONT>         *      determine the number of bytes transferred and the IOException<a name="line.1554"></a>
<FONT color="green">1555</FONT>         *      causing the error.  This exception may be caught either<a name="line.1555"></a>
<FONT color="green">1556</FONT>         *      as an IOException or independently as itself.<a name="line.1556"></a>
<FONT color="green">1557</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1557"></a>
<FONT color="green">1558</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1558"></a>
<FONT color="green">1559</FONT>         */<a name="line.1559"></a>
<FONT color="green">1560</FONT>        public boolean storeUniqueFile(InputStream local) throws IOException<a name="line.1560"></a>
<FONT color="green">1561</FONT>        {<a name="line.1561"></a>
<FONT color="green">1562</FONT>            return __storeFile(FTPCommand.STOU, null, local);<a name="line.1562"></a>
<FONT color="green">1563</FONT>        }<a name="line.1563"></a>
<FONT color="green">1564</FONT>    <a name="line.1564"></a>
<FONT color="green">1565</FONT>        /**<a name="line.1565"></a>
<FONT color="green">1566</FONT>         * Returns an OutputStream through which data can be written to store<a name="line.1566"></a>
<FONT color="green">1567</FONT>         * a file on the server using a unique name assigned by the server.<a name="line.1567"></a>
<FONT color="green">1568</FONT>         * If the current file type<a name="line.1568"></a>
<FONT color="green">1569</FONT>         * is ASCII, the returned OutputStream will convert line separators in<a name="line.1569"></a>
<FONT color="green">1570</FONT>         * the file to the NETASCII format  (i.e., you should not attempt to<a name="line.1570"></a>
<FONT color="green">1571</FONT>         * create a special OutputStream to do this).  You must close the<a name="line.1571"></a>
<FONT color="green">1572</FONT>         * OutputStream when you finish writing to it.  The OutputStream itself<a name="line.1572"></a>
<FONT color="green">1573</FONT>         * will take care of closing the parent data connection socket upon being<a name="line.1573"></a>
<FONT color="green">1574</FONT>         * closed.  To finalize the file transfer you must call<a name="line.1574"></a>
<FONT color="green">1575</FONT>         * {@link #completePendingCommand  completePendingCommand } and<a name="line.1575"></a>
<FONT color="green">1576</FONT>         * check its return value to verify success.<a name="line.1576"></a>
<FONT color="green">1577</FONT>         * &lt;p&gt;<a name="line.1577"></a>
<FONT color="green">1578</FONT>         * @return An OutputStream through which the remote file can be written.  If<a name="line.1578"></a>
<FONT color="green">1579</FONT>         *      the data connection cannot be opened (e.g., the file does not<a name="line.1579"></a>
<FONT color="green">1580</FONT>         *      exist), null is returned (in which case you may check the reply<a name="line.1580"></a>
<FONT color="green">1581</FONT>         *      code to determine the exact reason for failure).<a name="line.1581"></a>
<FONT color="green">1582</FONT>         * @exception FTPConnectionClosedException<a name="line.1582"></a>
<FONT color="green">1583</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1583"></a>
<FONT color="green">1584</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1584"></a>
<FONT color="green">1585</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1585"></a>
<FONT color="green">1586</FONT>         *      as an IOException or independently as itself.<a name="line.1586"></a>
<FONT color="green">1587</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1587"></a>
<FONT color="green">1588</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1588"></a>
<FONT color="green">1589</FONT>         */<a name="line.1589"></a>
<FONT color="green">1590</FONT>        public OutputStream storeUniqueFileStream() throws IOException<a name="line.1590"></a>
<FONT color="green">1591</FONT>        {<a name="line.1591"></a>
<FONT color="green">1592</FONT>            return __storeFileStream(FTPCommand.STOU, null);<a name="line.1592"></a>
<FONT color="green">1593</FONT>        }<a name="line.1593"></a>
<FONT color="green">1594</FONT>    <a name="line.1594"></a>
<FONT color="green">1595</FONT>        /***<a name="line.1595"></a>
<FONT color="green">1596</FONT>         * Reserve a number of bytes on the server for the next file transfer.<a name="line.1596"></a>
<FONT color="green">1597</FONT>         * &lt;p&gt;<a name="line.1597"></a>
<FONT color="green">1598</FONT>         * @param bytes  The number of bytes which the server should allocate.<a name="line.1598"></a>
<FONT color="green">1599</FONT>         * @return True if successfully completed, false if not.<a name="line.1599"></a>
<FONT color="green">1600</FONT>         * @exception FTPConnectionClosedException<a name="line.1600"></a>
<FONT color="green">1601</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1601"></a>
<FONT color="green">1602</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1602"></a>
<FONT color="green">1603</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1603"></a>
<FONT color="green">1604</FONT>         *      as an IOException or independently as itself.<a name="line.1604"></a>
<FONT color="green">1605</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1605"></a>
<FONT color="green">1606</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1606"></a>
<FONT color="green">1607</FONT>         ***/<a name="line.1607"></a>
<FONT color="green">1608</FONT>        public boolean allocate(int bytes) throws IOException<a name="line.1608"></a>
<FONT color="green">1609</FONT>        {<a name="line.1609"></a>
<FONT color="green">1610</FONT>            return FTPReply.isPositiveCompletion(allo(bytes));<a name="line.1610"></a>
<FONT color="green">1611</FONT>        }<a name="line.1611"></a>
<FONT color="green">1612</FONT>    <a name="line.1612"></a>
<FONT color="green">1613</FONT>    <a name="line.1613"></a>
<FONT color="green">1614</FONT>        /**<a name="line.1614"></a>
<FONT color="green">1615</FONT>         * Reserve space on the server for the next file transfer.<a name="line.1615"></a>
<FONT color="green">1616</FONT>         * &lt;p&gt;<a name="line.1616"></a>
<FONT color="green">1617</FONT>         * @param bytes  The number of bytes which the server should allocate.<a name="line.1617"></a>
<FONT color="green">1618</FONT>         * @param recordSize  The size of a file record.<a name="line.1618"></a>
<FONT color="green">1619</FONT>         * @return True if successfully completed, false if not.<a name="line.1619"></a>
<FONT color="green">1620</FONT>         * @exception FTPConnectionClosedException<a name="line.1620"></a>
<FONT color="green">1621</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1621"></a>
<FONT color="green">1622</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1622"></a>
<FONT color="green">1623</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1623"></a>
<FONT color="green">1624</FONT>         *      as an IOException or independently as itself.<a name="line.1624"></a>
<FONT color="green">1625</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1625"></a>
<FONT color="green">1626</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1626"></a>
<FONT color="green">1627</FONT>         */<a name="line.1627"></a>
<FONT color="green">1628</FONT>        public boolean allocate(int bytes, int recordSize) throws IOException<a name="line.1628"></a>
<FONT color="green">1629</FONT>        {<a name="line.1629"></a>
<FONT color="green">1630</FONT>            return FTPReply.isPositiveCompletion(allo(bytes, recordSize));<a name="line.1630"></a>
<FONT color="green">1631</FONT>        }<a name="line.1631"></a>
<FONT color="green">1632</FONT>    <a name="line.1632"></a>
<FONT color="green">1633</FONT>    <a name="line.1633"></a>
<FONT color="green">1634</FONT>        /***<a name="line.1634"></a>
<FONT color="green">1635</FONT>         * Restart a &lt;code&gt;STREAM_TRANSFER_MODE&lt;/code&gt; file transfer starting<a name="line.1635"></a>
<FONT color="green">1636</FONT>         * from the given offset.  This will only work on FTP servers supporting<a name="line.1636"></a>
<FONT color="green">1637</FONT>         * the REST comand for the stream transfer mode.  However, most FTP<a name="line.1637"></a>
<FONT color="green">1638</FONT>         * servers support this.  Any subsequent file transfer will start<a name="line.1638"></a>
<FONT color="green">1639</FONT>         * reading or writing the remote file from the indicated offset.<a name="line.1639"></a>
<FONT color="green">1640</FONT>         * &lt;p&gt;<a name="line.1640"></a>
<FONT color="green">1641</FONT>         * @param offset  The offset into the remote file at which to start the<a name="line.1641"></a>
<FONT color="green">1642</FONT>         *           next file transfer.<a name="line.1642"></a>
<FONT color="green">1643</FONT>         * @return True if successfully completed, false if not.<a name="line.1643"></a>
<FONT color="green">1644</FONT>         * @exception FTPConnectionClosedException<a name="line.1644"></a>
<FONT color="green">1645</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1645"></a>
<FONT color="green">1646</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1646"></a>
<FONT color="green">1647</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1647"></a>
<FONT color="green">1648</FONT>         *      as an IOException or independently as itself.<a name="line.1648"></a>
<FONT color="green">1649</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1649"></a>
<FONT color="green">1650</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1650"></a>
<FONT color="green">1651</FONT>         ***/<a name="line.1651"></a>
<FONT color="green">1652</FONT>        private boolean restart(long offset) throws IOException<a name="line.1652"></a>
<FONT color="green">1653</FONT>        {<a name="line.1653"></a>
<FONT color="green">1654</FONT>            __restartOffset = 0;<a name="line.1654"></a>
<FONT color="green">1655</FONT>            return FTPReply.isPositiveIntermediate(rest(Long.toString(offset)));<a name="line.1655"></a>
<FONT color="green">1656</FONT>        }<a name="line.1656"></a>
<FONT color="green">1657</FONT>    <a name="line.1657"></a>
<FONT color="green">1658</FONT>        /***<a name="line.1658"></a>
<FONT color="green">1659</FONT>         * Sets the restart offset.  The restart command is sent to the server<a name="line.1659"></a>
<FONT color="green">1660</FONT>         * only before sending the file transfer command.  When this is done,<a name="line.1660"></a>
<FONT color="green">1661</FONT>         * the restart marker is reset to zero.<a name="line.1661"></a>
<FONT color="green">1662</FONT>         * &lt;p&gt;<a name="line.1662"></a>
<FONT color="green">1663</FONT>         * @param offset  The offset into the remote file at which to start the<a name="line.1663"></a>
<FONT color="green">1664</FONT>         *           next file transfer.  This must be a value greater than or<a name="line.1664"></a>
<FONT color="green">1665</FONT>         *           equal to zero.<a name="line.1665"></a>
<FONT color="green">1666</FONT>         ***/<a name="line.1666"></a>
<FONT color="green">1667</FONT>        public void setRestartOffset(long offset)<a name="line.1667"></a>
<FONT color="green">1668</FONT>        {<a name="line.1668"></a>
<FONT color="green">1669</FONT>            if (offset &gt;= 0)<a name="line.1669"></a>
<FONT color="green">1670</FONT>                __restartOffset = offset;<a name="line.1670"></a>
<FONT color="green">1671</FONT>        }<a name="line.1671"></a>
<FONT color="green">1672</FONT>    <a name="line.1672"></a>
<FONT color="green">1673</FONT>        /***<a name="line.1673"></a>
<FONT color="green">1674</FONT>         * Fetches the restart offset.<a name="line.1674"></a>
<FONT color="green">1675</FONT>         * &lt;p&gt;<a name="line.1675"></a>
<FONT color="green">1676</FONT>         * @return offset  The offset into the remote file at which to start the<a name="line.1676"></a>
<FONT color="green">1677</FONT>         *           next file transfer.<a name="line.1677"></a>
<FONT color="green">1678</FONT>         ***/<a name="line.1678"></a>
<FONT color="green">1679</FONT>        public long getRestartOffset()<a name="line.1679"></a>
<FONT color="green">1680</FONT>        {<a name="line.1680"></a>
<FONT color="green">1681</FONT>            return __restartOffset;<a name="line.1681"></a>
<FONT color="green">1682</FONT>        }<a name="line.1682"></a>
<FONT color="green">1683</FONT>    <a name="line.1683"></a>
<FONT color="green">1684</FONT>    <a name="line.1684"></a>
<FONT color="green">1685</FONT>    <a name="line.1685"></a>
<FONT color="green">1686</FONT>        /***<a name="line.1686"></a>
<FONT color="green">1687</FONT>         * Renames a remote file.<a name="line.1687"></a>
<FONT color="green">1688</FONT>         * &lt;p&gt;<a name="line.1688"></a>
<FONT color="green">1689</FONT>         * @param from  The name of the remote file to rename.<a name="line.1689"></a>
<FONT color="green">1690</FONT>         * @param to    The new name of the remote file.<a name="line.1690"></a>
<FONT color="green">1691</FONT>         * @return True if successfully completed, false if not.<a name="line.1691"></a>
<FONT color="green">1692</FONT>         * @exception FTPConnectionClosedException<a name="line.1692"></a>
<FONT color="green">1693</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1693"></a>
<FONT color="green">1694</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1694"></a>
<FONT color="green">1695</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1695"></a>
<FONT color="green">1696</FONT>         *      as an IOException or independently as itself.<a name="line.1696"></a>
<FONT color="green">1697</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1697"></a>
<FONT color="green">1698</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1698"></a>
<FONT color="green">1699</FONT>         ***/<a name="line.1699"></a>
<FONT color="green">1700</FONT>        public boolean rename(String from, String to) throws IOException<a name="line.1700"></a>
<FONT color="green">1701</FONT>        {<a name="line.1701"></a>
<FONT color="green">1702</FONT>            if (!FTPReply.isPositiveIntermediate(rnfr(from)))<a name="line.1702"></a>
<FONT color="green">1703</FONT>                return false;<a name="line.1703"></a>
<FONT color="green">1704</FONT>    <a name="line.1704"></a>
<FONT color="green">1705</FONT>            return FTPReply.isPositiveCompletion(rnto(to));<a name="line.1705"></a>
<FONT color="green">1706</FONT>        }<a name="line.1706"></a>
<FONT color="green">1707</FONT>    <a name="line.1707"></a>
<FONT color="green">1708</FONT>    <a name="line.1708"></a>
<FONT color="green">1709</FONT>        /***<a name="line.1709"></a>
<FONT color="green">1710</FONT>         * Abort a transfer in progress.<a name="line.1710"></a>
<FONT color="green">1711</FONT>         * &lt;p&gt;<a name="line.1711"></a>
<FONT color="green">1712</FONT>         * @return True if successfully completed, false if not.<a name="line.1712"></a>
<FONT color="green">1713</FONT>         * @exception FTPConnectionClosedException<a name="line.1713"></a>
<FONT color="green">1714</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1714"></a>
<FONT color="green">1715</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1715"></a>
<FONT color="green">1716</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1716"></a>
<FONT color="green">1717</FONT>         *      as an IOException or independently as itself.<a name="line.1717"></a>
<FONT color="green">1718</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1718"></a>
<FONT color="green">1719</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1719"></a>
<FONT color="green">1720</FONT>         ***/<a name="line.1720"></a>
<FONT color="green">1721</FONT>        public boolean abort() throws IOException<a name="line.1721"></a>
<FONT color="green">1722</FONT>        {<a name="line.1722"></a>
<FONT color="green">1723</FONT>            return FTPReply.isPositiveCompletion(abor());<a name="line.1723"></a>
<FONT color="green">1724</FONT>        }<a name="line.1724"></a>
<FONT color="green">1725</FONT>    <a name="line.1725"></a>
<FONT color="green">1726</FONT>        /***<a name="line.1726"></a>
<FONT color="green">1727</FONT>         * Deletes a file on the FTP server.<a name="line.1727"></a>
<FONT color="green">1728</FONT>         * &lt;p&gt;<a name="line.1728"></a>
<FONT color="green">1729</FONT>         * @param pathname   The pathname of the file to be deleted.<a name="line.1729"></a>
<FONT color="green">1730</FONT>         * @return True if successfully completed, false if not.<a name="line.1730"></a>
<FONT color="green">1731</FONT>         * @exception FTPConnectionClosedException<a name="line.1731"></a>
<FONT color="green">1732</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1732"></a>
<FONT color="green">1733</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1733"></a>
<FONT color="green">1734</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1734"></a>
<FONT color="green">1735</FONT>         *      as an IOException or independently as itself.<a name="line.1735"></a>
<FONT color="green">1736</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1736"></a>
<FONT color="green">1737</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1737"></a>
<FONT color="green">1738</FONT>         ***/<a name="line.1738"></a>
<FONT color="green">1739</FONT>        public boolean deleteFile(String pathname) throws IOException<a name="line.1739"></a>
<FONT color="green">1740</FONT>        {<a name="line.1740"></a>
<FONT color="green">1741</FONT>            return FTPReply.isPositiveCompletion(dele(pathname));<a name="line.1741"></a>
<FONT color="green">1742</FONT>        }<a name="line.1742"></a>
<FONT color="green">1743</FONT>    <a name="line.1743"></a>
<FONT color="green">1744</FONT>    <a name="line.1744"></a>
<FONT color="green">1745</FONT>        /***<a name="line.1745"></a>
<FONT color="green">1746</FONT>         * Removes a directory on the FTP server (if empty).<a name="line.1746"></a>
<FONT color="green">1747</FONT>         * &lt;p&gt;<a name="line.1747"></a>
<FONT color="green">1748</FONT>         * @param pathname  The pathname of the directory to remove.<a name="line.1748"></a>
<FONT color="green">1749</FONT>         * @return True if successfully completed, false if not.<a name="line.1749"></a>
<FONT color="green">1750</FONT>         * @exception FTPConnectionClosedException<a name="line.1750"></a>
<FONT color="green">1751</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1751"></a>
<FONT color="green">1752</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1752"></a>
<FONT color="green">1753</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1753"></a>
<FONT color="green">1754</FONT>         *      as an IOException or independently as itself.<a name="line.1754"></a>
<FONT color="green">1755</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1755"></a>
<FONT color="green">1756</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1756"></a>
<FONT color="green">1757</FONT>         ***/<a name="line.1757"></a>
<FONT color="green">1758</FONT>        public boolean removeDirectory(String pathname) throws IOException<a name="line.1758"></a>
<FONT color="green">1759</FONT>        {<a name="line.1759"></a>
<FONT color="green">1760</FONT>            return FTPReply.isPositiveCompletion(rmd(pathname));<a name="line.1760"></a>
<FONT color="green">1761</FONT>        }<a name="line.1761"></a>
<FONT color="green">1762</FONT>    <a name="line.1762"></a>
<FONT color="green">1763</FONT>    <a name="line.1763"></a>
<FONT color="green">1764</FONT>        /***<a name="line.1764"></a>
<FONT color="green">1765</FONT>         * Creates a new subdirectory on the FTP server in the current directory<a name="line.1765"></a>
<FONT color="green">1766</FONT>         * (if a relative pathname is given) or where specified (if an absolute<a name="line.1766"></a>
<FONT color="green">1767</FONT>         * pathname is given).<a name="line.1767"></a>
<FONT color="green">1768</FONT>         * &lt;p&gt;<a name="line.1768"></a>
<FONT color="green">1769</FONT>         * @param pathname The pathname of the directory to create.<a name="line.1769"></a>
<FONT color="green">1770</FONT>         * @return True if successfully completed, false if not.<a name="line.1770"></a>
<FONT color="green">1771</FONT>         * @exception FTPConnectionClosedException<a name="line.1771"></a>
<FONT color="green">1772</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1772"></a>
<FONT color="green">1773</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1773"></a>
<FONT color="green">1774</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1774"></a>
<FONT color="green">1775</FONT>         *      as an IOException or independently as itself.<a name="line.1775"></a>
<FONT color="green">1776</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1776"></a>
<FONT color="green">1777</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1777"></a>
<FONT color="green">1778</FONT>         ***/<a name="line.1778"></a>
<FONT color="green">1779</FONT>        public boolean makeDirectory(String pathname) throws IOException<a name="line.1779"></a>
<FONT color="green">1780</FONT>        {<a name="line.1780"></a>
<FONT color="green">1781</FONT>            return FTPReply.isPositiveCompletion(mkd(pathname));<a name="line.1781"></a>
<FONT color="green">1782</FONT>        }<a name="line.1782"></a>
<FONT color="green">1783</FONT>    <a name="line.1783"></a>
<FONT color="green">1784</FONT>    <a name="line.1784"></a>
<FONT color="green">1785</FONT>        /***<a name="line.1785"></a>
<FONT color="green">1786</FONT>         * Returns the pathname of the current working directory.<a name="line.1786"></a>
<FONT color="green">1787</FONT>         * &lt;p&gt;<a name="line.1787"></a>
<FONT color="green">1788</FONT>         * @return The pathname of the current working directory.  If it cannot<a name="line.1788"></a>
<FONT color="green">1789</FONT>         *         be obtained, returns null.<a name="line.1789"></a>
<FONT color="green">1790</FONT>         * @exception FTPConnectionClosedException<a name="line.1790"></a>
<FONT color="green">1791</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1791"></a>
<FONT color="green">1792</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1792"></a>
<FONT color="green">1793</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1793"></a>
<FONT color="green">1794</FONT>         *      as an IOException or independently as itself.<a name="line.1794"></a>
<FONT color="green">1795</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1795"></a>
<FONT color="green">1796</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1796"></a>
<FONT color="green">1797</FONT>         ***/<a name="line.1797"></a>
<FONT color="green">1798</FONT>        public String printWorkingDirectory() throws IOException<a name="line.1798"></a>
<FONT color="green">1799</FONT>        {<a name="line.1799"></a>
<FONT color="green">1800</FONT>            if (pwd() != FTPReply.PATHNAME_CREATED)<a name="line.1800"></a>
<FONT color="green">1801</FONT>                return null;<a name="line.1801"></a>
<FONT color="green">1802</FONT>    <a name="line.1802"></a>
<FONT color="green">1803</FONT>            return __parsePathname(_replyLines.get( _replyLines.size() - 1));<a name="line.1803"></a>
<FONT color="green">1804</FONT>        }<a name="line.1804"></a>
<FONT color="green">1805</FONT>    <a name="line.1805"></a>
<FONT color="green">1806</FONT>    <a name="line.1806"></a>
<FONT color="green">1807</FONT>        /**<a name="line.1807"></a>
<FONT color="green">1808</FONT>         * Send a site specific command.<a name="line.1808"></a>
<FONT color="green">1809</FONT>         * @param arguments The site specific command and arguments.<a name="line.1809"></a>
<FONT color="green">1810</FONT>         * @return True if successfully completed, false if not.<a name="line.1810"></a>
<FONT color="green">1811</FONT>         * @exception FTPConnectionClosedException<a name="line.1811"></a>
<FONT color="green">1812</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1812"></a>
<FONT color="green">1813</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1813"></a>
<FONT color="green">1814</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1814"></a>
<FONT color="green">1815</FONT>         *      as an IOException or independently as itself.<a name="line.1815"></a>
<FONT color="green">1816</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1816"></a>
<FONT color="green">1817</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1817"></a>
<FONT color="green">1818</FONT>         */<a name="line.1818"></a>
<FONT color="green">1819</FONT>        public boolean sendSiteCommand(String arguments) throws IOException<a name="line.1819"></a>
<FONT color="green">1820</FONT>        {<a name="line.1820"></a>
<FONT color="green">1821</FONT>            return FTPReply.isPositiveCompletion(site(arguments));<a name="line.1821"></a>
<FONT color="green">1822</FONT>        }<a name="line.1822"></a>
<FONT color="green">1823</FONT>    <a name="line.1823"></a>
<FONT color="green">1824</FONT>    <a name="line.1824"></a>
<FONT color="green">1825</FONT>        /***<a name="line.1825"></a>
<FONT color="green">1826</FONT>         * Fetches the system type name from the server and returns the string.<a name="line.1826"></a>
<FONT color="green">1827</FONT>         * This value is cached for the duration of the connection after the<a name="line.1827"></a>
<FONT color="green">1828</FONT>         * first call to this method.  In other words, only the first time<a name="line.1828"></a>
<FONT color="green">1829</FONT>         * that you invoke this method will it issue a SYST command to the<a name="line.1829"></a>
<FONT color="green">1830</FONT>         * FTP server.  FTPClient will remember the value and return the<a name="line.1830"></a>
<FONT color="green">1831</FONT>         * cached value until a call to disconnect.<a name="line.1831"></a>
<FONT color="green">1832</FONT>         * &lt;p&gt;<a name="line.1832"></a>
<FONT color="green">1833</FONT>         * @return The system type name obtained from the server.  null if the<a name="line.1833"></a>
<FONT color="green">1834</FONT>         *       information could not be obtained.<a name="line.1834"></a>
<FONT color="green">1835</FONT>         * @exception FTPConnectionClosedException<a name="line.1835"></a>
<FONT color="green">1836</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1836"></a>
<FONT color="green">1837</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1837"></a>
<FONT color="green">1838</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1838"></a>
<FONT color="green">1839</FONT>         *      as an IOException or independently as itself.<a name="line.1839"></a>
<FONT color="green">1840</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1840"></a>
<FONT color="green">1841</FONT>         *  command to the server or receiving a reply from the server.<a name="line.1841"></a>
<FONT color="green">1842</FONT>         ***/<a name="line.1842"></a>
<FONT color="green">1843</FONT>        public String getSystemName() throws IOException<a name="line.1843"></a>
<FONT color="green">1844</FONT>        {<a name="line.1844"></a>
<FONT color="green">1845</FONT>          //if (syst() == FTPReply.NAME_SYSTEM_TYPE)<a name="line.1845"></a>
<FONT color="green">1846</FONT>          // Technically, we should expect a NAME_SYSTEM_TYPE response, but<a name="line.1846"></a>
<FONT color="green">1847</FONT>          // in practice FTP servers deviate, so we soften the condition to<a name="line.1847"></a>
<FONT color="green">1848</FONT>          // a positive completion.<a name="line.1848"></a>
<FONT color="green">1849</FONT>            if (__systemName == null &amp;&amp; FTPReply.isPositiveCompletion(syst()))<a name="line.1849"></a>
<FONT color="green">1850</FONT>                __systemName = _replyLines.get(_replyLines.size() - 1).substring(4);<a name="line.1850"></a>
<FONT color="green">1851</FONT>    <a name="line.1851"></a>
<FONT color="green">1852</FONT>            return __systemName;<a name="line.1852"></a>
<FONT color="green">1853</FONT>        }<a name="line.1853"></a>
<FONT color="green">1854</FONT>    <a name="line.1854"></a>
<FONT color="green">1855</FONT>    <a name="line.1855"></a>
<FONT color="green">1856</FONT>        /***<a name="line.1856"></a>
<FONT color="green">1857</FONT>         * Fetches the system help information from the server and returns the<a name="line.1857"></a>
<FONT color="green">1858</FONT>         * full string.<a name="line.1858"></a>
<FONT color="green">1859</FONT>         * &lt;p&gt;<a name="line.1859"></a>
<FONT color="green">1860</FONT>         * @return The system help string obtained from the server.  null if the<a name="line.1860"></a>
<FONT color="green">1861</FONT>         *       information could not be obtained.<a name="line.1861"></a>
<FONT color="green">1862</FONT>         * @exception FTPConnectionClosedException<a name="line.1862"></a>
<FONT color="green">1863</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1863"></a>
<FONT color="green">1864</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1864"></a>
<FONT color="green">1865</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1865"></a>
<FONT color="green">1866</FONT>         *      as an IOException or independently as itself.<a name="line.1866"></a>
<FONT color="green">1867</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1867"></a>
<FONT color="green">1868</FONT>         *  command to the server or receiving a reply from the server.<a name="line.1868"></a>
<FONT color="green">1869</FONT>         ***/<a name="line.1869"></a>
<FONT color="green">1870</FONT>        public String listHelp() throws IOException<a name="line.1870"></a>
<FONT color="green">1871</FONT>        {<a name="line.1871"></a>
<FONT color="green">1872</FONT>            if (FTPReply.isPositiveCompletion(help()))<a name="line.1872"></a>
<FONT color="green">1873</FONT>                return getReplyString();<a name="line.1873"></a>
<FONT color="green">1874</FONT>            return null;<a name="line.1874"></a>
<FONT color="green">1875</FONT>        }<a name="line.1875"></a>
<FONT color="green">1876</FONT>    <a name="line.1876"></a>
<FONT color="green">1877</FONT>    <a name="line.1877"></a>
<FONT color="green">1878</FONT>        /**<a name="line.1878"></a>
<FONT color="green">1879</FONT>         * Fetches the help information for a given command from the server and<a name="line.1879"></a>
<FONT color="green">1880</FONT>         * returns the full string.<a name="line.1880"></a>
<FONT color="green">1881</FONT>         * @param command The command on which to ask for help.<a name="line.1881"></a>
<FONT color="green">1882</FONT>         * @return The command help string obtained from the server.  null if the<a name="line.1882"></a>
<FONT color="green">1883</FONT>         *       information could not be obtained.<a name="line.1883"></a>
<FONT color="green">1884</FONT>         * @exception FTPConnectionClosedException<a name="line.1884"></a>
<FONT color="green">1885</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1885"></a>
<FONT color="green">1886</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1886"></a>
<FONT color="green">1887</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1887"></a>
<FONT color="green">1888</FONT>         *      as an IOException or independently as itself.<a name="line.1888"></a>
<FONT color="green">1889</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1889"></a>
<FONT color="green">1890</FONT>         *  command to the server or receiving a reply from the server.<a name="line.1890"></a>
<FONT color="green">1891</FONT>         */<a name="line.1891"></a>
<FONT color="green">1892</FONT>        public String listHelp(String command) throws IOException<a name="line.1892"></a>
<FONT color="green">1893</FONT>        {<a name="line.1893"></a>
<FONT color="green">1894</FONT>            if (FTPReply.isPositiveCompletion(help(command)))<a name="line.1894"></a>
<FONT color="green">1895</FONT>                return getReplyString();<a name="line.1895"></a>
<FONT color="green">1896</FONT>            return null;<a name="line.1896"></a>
<FONT color="green">1897</FONT>        }<a name="line.1897"></a>
<FONT color="green">1898</FONT>    <a name="line.1898"></a>
<FONT color="green">1899</FONT>    <a name="line.1899"></a>
<FONT color="green">1900</FONT>        /***<a name="line.1900"></a>
<FONT color="green">1901</FONT>         * Sends a NOOP command to the FTP server.  This is useful for preventing<a name="line.1901"></a>
<FONT color="green">1902</FONT>         * server timeouts.<a name="line.1902"></a>
<FONT color="green">1903</FONT>         * &lt;p&gt;<a name="line.1903"></a>
<FONT color="green">1904</FONT>         * @return True if successfully completed, false if not.<a name="line.1904"></a>
<FONT color="green">1905</FONT>         * @exception FTPConnectionClosedException<a name="line.1905"></a>
<FONT color="green">1906</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1906"></a>
<FONT color="green">1907</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1907"></a>
<FONT color="green">1908</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1908"></a>
<FONT color="green">1909</FONT>         *      as an IOException or independently as itself.<a name="line.1909"></a>
<FONT color="green">1910</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1910"></a>
<FONT color="green">1911</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1911"></a>
<FONT color="green">1912</FONT>         ***/<a name="line.1912"></a>
<FONT color="green">1913</FONT>        public boolean sendNoOp() throws IOException<a name="line.1913"></a>
<FONT color="green">1914</FONT>        {<a name="line.1914"></a>
<FONT color="green">1915</FONT>            return FTPReply.isPositiveCompletion(noop());<a name="line.1915"></a>
<FONT color="green">1916</FONT>        }<a name="line.1916"></a>
<FONT color="green">1917</FONT>        <a name="line.1917"></a>
<FONT color="green">1918</FONT>    <a name="line.1918"></a>
<FONT color="green">1919</FONT>        /***<a name="line.1919"></a>
<FONT color="green">1920</FONT>         * Obtain a list of filenames in a directory (or just the name of a given<a name="line.1920"></a>
<FONT color="green">1921</FONT>         * file, which is not particularly useful).  This information is obtained<a name="line.1921"></a>
<FONT color="green">1922</FONT>         * through the NLST command.  If the given pathname is a directory and<a name="line.1922"></a>
<FONT color="green">1923</FONT>         * contains no files,  a zero length array is returned only<a name="line.1923"></a>
<FONT color="green">1924</FONT>         * if the FTP server returned a positive completion code, otherwise<a name="line.1924"></a>
<FONT color="green">1925</FONT>         * null is returned (the FTP server returned a 550 error No files found.).<a name="line.1925"></a>
<FONT color="green">1926</FONT>         * If the directory is not empty, an array of filenames in the directory is<a name="line.1926"></a>
<FONT color="green">1927</FONT>         * returned. If the pathname corresponds<a name="line.1927"></a>
<FONT color="green">1928</FONT>         * to a file, only that file will be listed.  The server may or may not<a name="line.1928"></a>
<FONT color="green">1929</FONT>         * expand glob expressions.<a name="line.1929"></a>
<FONT color="green">1930</FONT>         * &lt;p&gt;<a name="line.1930"></a>
<FONT color="green">1931</FONT>         * @param pathname  The file or directory to list.<a name="line.1931"></a>
<FONT color="green">1932</FONT>         * @return The list of filenames contained in the given path.  null if<a name="line.1932"></a>
<FONT color="green">1933</FONT>         *     the list could not be obtained.  If there are no filenames in<a name="line.1933"></a>
<FONT color="green">1934</FONT>         *     the directory, a zero-length array is returned.<a name="line.1934"></a>
<FONT color="green">1935</FONT>         * @exception FTPConnectionClosedException<a name="line.1935"></a>
<FONT color="green">1936</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1936"></a>
<FONT color="green">1937</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1937"></a>
<FONT color="green">1938</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1938"></a>
<FONT color="green">1939</FONT>         *      as an IOException or independently as itself.<a name="line.1939"></a>
<FONT color="green">1940</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1940"></a>
<FONT color="green">1941</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1941"></a>
<FONT color="green">1942</FONT>         ***/<a name="line.1942"></a>
<FONT color="green">1943</FONT>        public String[] listNames(String pathname) throws IOException<a name="line.1943"></a>
<FONT color="green">1944</FONT>        {<a name="line.1944"></a>
<FONT color="green">1945</FONT>            String line;<a name="line.1945"></a>
<FONT color="green">1946</FONT>            Socket socket;<a name="line.1946"></a>
<FONT color="green">1947</FONT>            BufferedReader reader;<a name="line.1947"></a>
<FONT color="green">1948</FONT>            ArrayList&lt;String&gt; results;<a name="line.1948"></a>
<FONT color="green">1949</FONT>    <a name="line.1949"></a>
<FONT color="green">1950</FONT>            if ((socket = _openDataConnection_(FTPCommand.NLST, pathname)) == null)<a name="line.1950"></a>
<FONT color="green">1951</FONT>                return null;<a name="line.1951"></a>
<FONT color="green">1952</FONT>    <a name="line.1952"></a>
<FONT color="green">1953</FONT>            reader =<a name="line.1953"></a>
<FONT color="green">1954</FONT>                new BufferedReader(new InputStreamReader(socket.getInputStream(), getControlEncoding()));<a name="line.1954"></a>
<FONT color="green">1955</FONT>    <a name="line.1955"></a>
<FONT color="green">1956</FONT>            results = new ArrayList&lt;String&gt;();<a name="line.1956"></a>
<FONT color="green">1957</FONT>            while ((line = reader.readLine()) != null)<a name="line.1957"></a>
<FONT color="green">1958</FONT>                results.add(line);<a name="line.1958"></a>
<FONT color="green">1959</FONT>            <a name="line.1959"></a>
<FONT color="green">1960</FONT>            reader.close();<a name="line.1960"></a>
<FONT color="green">1961</FONT>            socket.close();<a name="line.1961"></a>
<FONT color="green">1962</FONT>    <a name="line.1962"></a>
<FONT color="green">1963</FONT>            if (completePendingCommand())<a name="line.1963"></a>
<FONT color="green">1964</FONT>            {<a name="line.1964"></a>
<FONT color="green">1965</FONT>                String[] names = new String[ results.size() ];<a name="line.1965"></a>
<FONT color="green">1966</FONT>                return results.toArray(names);<a name="line.1966"></a>
<FONT color="green">1967</FONT>            }<a name="line.1967"></a>
<FONT color="green">1968</FONT>    <a name="line.1968"></a>
<FONT color="green">1969</FONT>            return null;<a name="line.1969"></a>
<FONT color="green">1970</FONT>        }<a name="line.1970"></a>
<FONT color="green">1971</FONT>    <a name="line.1971"></a>
<FONT color="green">1972</FONT>    <a name="line.1972"></a>
<FONT color="green">1973</FONT>        /***<a name="line.1973"></a>
<FONT color="green">1974</FONT>         * Obtain a list of filenames in the current working directory<a name="line.1974"></a>
<FONT color="green">1975</FONT>         * This information is obtained through the NLST command.  If the current<a name="line.1975"></a>
<FONT color="green">1976</FONT>         * directory contains no files, a zero length array is returned only<a name="line.1976"></a>
<FONT color="green">1977</FONT>         * if the FTP server returned a positive completion code, otherwise,<a name="line.1977"></a>
<FONT color="green">1978</FONT>         * null is returned (the FTP server returned a 550 error No files found.).<a name="line.1978"></a>
<FONT color="green">1979</FONT>         * If the directory is not empty, an array of filenames in the directory is<a name="line.1979"></a>
<FONT color="green">1980</FONT>         * returned.<a name="line.1980"></a>
<FONT color="green">1981</FONT>         * &lt;p&gt;<a name="line.1981"></a>
<FONT color="green">1982</FONT>         * @return The list of filenames contained in the current working<a name="line.1982"></a>
<FONT color="green">1983</FONT>         *     directory.  null if the list could not be obtained.<a name="line.1983"></a>
<FONT color="green">1984</FONT>         *     If there are no filenames in the directory, a zero-length array<a name="line.1984"></a>
<FONT color="green">1985</FONT>         *     is returned.<a name="line.1985"></a>
<FONT color="green">1986</FONT>         * @exception FTPConnectionClosedException<a name="line.1986"></a>
<FONT color="green">1987</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.1987"></a>
<FONT color="green">1988</FONT>         *      of the client being idle or some other reason causing the server<a name="line.1988"></a>
<FONT color="green">1989</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.1989"></a>
<FONT color="green">1990</FONT>         *      as an IOException or independently as itself.<a name="line.1990"></a>
<FONT color="green">1991</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.1991"></a>
<FONT color="green">1992</FONT>         *      command to the server or receiving a reply from the server.<a name="line.1992"></a>
<FONT color="green">1993</FONT>         ***/<a name="line.1993"></a>
<FONT color="green">1994</FONT>        public String[] listNames() throws IOException<a name="line.1994"></a>
<FONT color="green">1995</FONT>        {<a name="line.1995"></a>
<FONT color="green">1996</FONT>            return listNames(null);<a name="line.1996"></a>
<FONT color="green">1997</FONT>        }<a name="line.1997"></a>
<FONT color="green">1998</FONT>    <a name="line.1998"></a>
<FONT color="green">1999</FONT>    <a name="line.1999"></a>
<FONT color="green">2000</FONT>    <a name="line.2000"></a>
<FONT color="green">2001</FONT>        /**<a name="line.2001"></a>
<FONT color="green">2002</FONT>         * Using the default system autodetect mechanism, obtain a<a name="line.2002"></a>
<FONT color="green">2003</FONT>         * list of file information for the current working directory<a name="line.2003"></a>
<FONT color="green">2004</FONT>         * or for just a single file.<a name="line.2004"></a>
<FONT color="green">2005</FONT>         * &lt;p&gt;<a name="line.2005"></a>
<FONT color="green">2006</FONT>         * This information is obtained through the LIST command.  The contents of<a name="line.2006"></a>
<FONT color="green">2007</FONT>         * the returned array is determined by the&lt;code&gt; FTPFileEntryParser &lt;/code&gt;<a name="line.2007"></a>
<FONT color="green">2008</FONT>         * used.<a name="line.2008"></a>
<FONT color="green">2009</FONT>         * &lt;p&gt;<a name="line.2009"></a>
<FONT color="green">2010</FONT>         * @param pathname  The file or directory to list.  Since the server may<a name="line.2010"></a>
<FONT color="green">2011</FONT>         *                  or may not expand glob expressions, using them here<a name="line.2011"></a>
<FONT color="green">2012</FONT>         *                  is not recommended and may well cause this method to<a name="line.2012"></a>
<FONT color="green">2013</FONT>         *                  fail.<a name="line.2013"></a>
<FONT color="green">2014</FONT>         *<a name="line.2014"></a>
<FONT color="green">2015</FONT>         * @return The list of file information contained in the given path in<a name="line.2015"></a>
<FONT color="green">2016</FONT>         *         the format determined by the autodetection mechanism<a name="line.2016"></a>
<FONT color="green">2017</FONT>         * @exception FTPConnectionClosedException<a name="line.2017"></a>
<FONT color="green">2018</FONT>         *                   If the FTP server prematurely closes the connection<a name="line.2018"></a>
<FONT color="green">2019</FONT>         *                   as a result of the client being idle or some other<a name="line.2019"></a>
<FONT color="green">2020</FONT>         *                   reason causing the server to send FTP reply code 421.<a name="line.2020"></a>
<FONT color="green">2021</FONT>         *                   This exception may be caught either as an IOException<a name="line.2021"></a>
<FONT color="green">2022</FONT>         *                   or independently as itself.<a name="line.2022"></a>
<FONT color="green">2023</FONT>         * @exception IOException<a name="line.2023"></a>
<FONT color="green">2024</FONT>         *                   If an I/O error occurs while either sending a<a name="line.2024"></a>
<FONT color="green">2025</FONT>         *                   command to the server or receiving a reply<a name="line.2025"></a>
<FONT color="green">2026</FONT>         *                   from the server.<a name="line.2026"></a>
<FONT color="green">2027</FONT>         * @exception ParserInitializationException<a name="line.2027"></a>
<FONT color="green">2028</FONT>         *                   Thrown if the parserKey parameter cannot be<a name="line.2028"></a>
<FONT color="green">2029</FONT>         *                   resolved by the selected parser factory.<a name="line.2029"></a>
<FONT color="green">2030</FONT>         *                   In the DefaultFTPEntryParserFactory, this will<a name="line.2030"></a>
<FONT color="green">2031</FONT>         *                   happen when parserKey is neither<a name="line.2031"></a>
<FONT color="green">2032</FONT>         *                   the fully qualified class name of a class<a name="line.2032"></a>
<FONT color="green">2033</FONT>         *                   implementing the interface<a name="line.2033"></a>
<FONT color="green">2034</FONT>         *                   org.apache.commons.net.ftp.FTPFileEntryParser<a name="line.2034"></a>
<FONT color="green">2035</FONT>         *                   nor a string containing one of the recognized keys<a name="line.2035"></a>
<FONT color="green">2036</FONT>         *                   mapping to such a parser or if class loader<a name="line.2036"></a>
<FONT color="green">2037</FONT>         *                   security issues prevent its being loaded.<a name="line.2037"></a>
<FONT color="green">2038</FONT>         * @see org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory<a name="line.2038"></a>
<FONT color="green">2039</FONT>         * @see org.apache.commons.net.ftp.parser.FTPFileEntryParserFactory<a name="line.2039"></a>
<FONT color="green">2040</FONT>         * @see org.apache.commons.net.ftp.FTPFileEntryParser<a name="line.2040"></a>
<FONT color="green">2041</FONT>         */<a name="line.2041"></a>
<FONT color="green">2042</FONT>        public FTPFile[] listFiles(String pathname)<a name="line.2042"></a>
<FONT color="green">2043</FONT>        throws IOException<a name="line.2043"></a>
<FONT color="green">2044</FONT>        {<a name="line.2044"></a>
<FONT color="green">2045</FONT>            String key = null;<a name="line.2045"></a>
<FONT color="green">2046</FONT>            FTPListParseEngine engine =<a name="line.2046"></a>
<FONT color="green">2047</FONT>                initiateListParsing(key, pathname);<a name="line.2047"></a>
<FONT color="green">2048</FONT>            return engine.getFiles();<a name="line.2048"></a>
<FONT color="green">2049</FONT>    <a name="line.2049"></a>
<FONT color="green">2050</FONT>        }<a name="line.2050"></a>
<FONT color="green">2051</FONT>        /**<a name="line.2051"></a>
<FONT color="green">2052</FONT>         * Using the default system autodetect mechanism, obtain a<a name="line.2052"></a>
<FONT color="green">2053</FONT>         * list of file information for the current working directory.<a name="line.2053"></a>
<FONT color="green">2054</FONT>         * &lt;p&gt;<a name="line.2054"></a>
<FONT color="green">2055</FONT>         * This information is obtained through the LIST command.  The contents of<a name="line.2055"></a>
<FONT color="green">2056</FONT>         * the returned array is determined by the&lt;code&gt; FTPFileEntryParser &lt;/code&gt;<a name="line.2056"></a>
<FONT color="green">2057</FONT>         * used.<a name="line.2057"></a>
<FONT color="green">2058</FONT>         * &lt;p&gt;<a name="line.2058"></a>
<FONT color="green">2059</FONT>         * @return The list of file information contained in the current directory<a name="line.2059"></a>
<FONT color="green">2060</FONT>         *         in the format determined by the autodetection mechanism.  <a name="line.2060"></a>
<FONT color="green">2061</FONT>         *         &lt;p&gt;&lt;b&gt; <a name="line.2061"></a>
<FONT color="green">2062</FONT>         *         NOTE:&lt;/b&gt; This array may contain null members if any of the <a name="line.2062"></a>
<FONT color="green">2063</FONT>         *         individual file listings failed to parse.  The caller should <a name="line.2063"></a>
<FONT color="green">2064</FONT>         *         check each entry for null before referencing it.<a name="line.2064"></a>
<FONT color="green">2065</FONT>         * @exception FTPConnectionClosedException<a name="line.2065"></a>
<FONT color="green">2066</FONT>         *                   If the FTP server prematurely closes the connection<a name="line.2066"></a>
<FONT color="green">2067</FONT>         *                   as a result of the client being idle or some other<a name="line.2067"></a>
<FONT color="green">2068</FONT>         *                   reason causing the server to send FTP reply code 421.<a name="line.2068"></a>
<FONT color="green">2069</FONT>         *                   This exception may be caught either as an IOException<a name="line.2069"></a>
<FONT color="green">2070</FONT>         *                   or independently as itself.<a name="line.2070"></a>
<FONT color="green">2071</FONT>         * @exception IOException<a name="line.2071"></a>
<FONT color="green">2072</FONT>         *                   If an I/O error occurs while either sending a<a name="line.2072"></a>
<FONT color="green">2073</FONT>         *                   command to the server or receiving a reply<a name="line.2073"></a>
<FONT color="green">2074</FONT>         *                   from the server.<a name="line.2074"></a>
<FONT color="green">2075</FONT>         * @exception ParserInitializationException<a name="line.2075"></a>
<FONT color="green">2076</FONT>         *                   Thrown if the parserKey parameter cannot be<a name="line.2076"></a>
<FONT color="green">2077</FONT>         *                   resolved by the selected parser factory.<a name="line.2077"></a>
<FONT color="green">2078</FONT>         *                   In the DefaultFTPEntryParserFactory, this will<a name="line.2078"></a>
<FONT color="green">2079</FONT>         *                   happen when parserKey is neither<a name="line.2079"></a>
<FONT color="green">2080</FONT>         *                   the fully qualified class name of a class<a name="line.2080"></a>
<FONT color="green">2081</FONT>         *                   implementing the interface<a name="line.2081"></a>
<FONT color="green">2082</FONT>         *                   org.apache.commons.net.ftp.FTPFileEntryParser<a name="line.2082"></a>
<FONT color="green">2083</FONT>         *                   nor a string containing one of the recognized keys<a name="line.2083"></a>
<FONT color="green">2084</FONT>         *                   mapping to such a parser or if class loader<a name="line.2084"></a>
<FONT color="green">2085</FONT>         *                   security issues prevent its being loaded.<a name="line.2085"></a>
<FONT color="green">2086</FONT>         * @see org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory<a name="line.2086"></a>
<FONT color="green">2087</FONT>         * @see org.apache.commons.net.ftp.parser.FTPFileEntryParserFactory<a name="line.2087"></a>
<FONT color="green">2088</FONT>         * @see org.apache.commons.net.ftp.FTPFileEntryParser<a name="line.2088"></a>
<FONT color="green">2089</FONT>         */<a name="line.2089"></a>
<FONT color="green">2090</FONT>        public FTPFile[] listFiles()<a name="line.2090"></a>
<FONT color="green">2091</FONT>        throws IOException<a name="line.2091"></a>
<FONT color="green">2092</FONT>        {<a name="line.2092"></a>
<FONT color="green">2093</FONT>            return listFiles((String) null);<a name="line.2093"></a>
<FONT color="green">2094</FONT>        }<a name="line.2094"></a>
<FONT color="green">2095</FONT>    <a name="line.2095"></a>
<FONT color="green">2096</FONT>        /**<a name="line.2096"></a>
<FONT color="green">2097</FONT>         * Using the default autodetect mechanism, initialize an FTPListParseEngine<a name="line.2097"></a>
<FONT color="green">2098</FONT>         * object containing a raw file information for the current working<a name="line.2098"></a>
<FONT color="green">2099</FONT>         * directory on the server<a name="line.2099"></a>
<FONT color="green">2100</FONT>         * This information is obtained through the LIST command.  This object<a name="line.2100"></a>
<FONT color="green">2101</FONT>         * is then capable of being iterated to return a sequence of FTPFile<a name="line.2101"></a>
<FONT color="green">2102</FONT>         * objects with information filled in by the<a name="line.2102"></a>
<FONT color="green">2103</FONT>         * &lt;code&gt; FTPFileEntryParser &lt;/code&gt; used.<a name="line.2103"></a>
<FONT color="green">2104</FONT>         * &lt;p&gt;<a name="line.2104"></a>
<FONT color="green">2105</FONT>         * This method differs from using the listFiles() methods in that<a name="line.2105"></a>
<FONT color="green">2106</FONT>         * expensive FTPFile objects are not created until needed which may be<a name="line.2106"></a>
<FONT color="green">2107</FONT>         * an advantage on large lists.<a name="line.2107"></a>
<FONT color="green">2108</FONT>         *<a name="line.2108"></a>
<FONT color="green">2109</FONT>         * @return A FTPListParseEngine object that holds the raw information and<a name="line.2109"></a>
<FONT color="green">2110</FONT>         * is capable of providing parsed FTPFile objects, one for each file<a name="line.2110"></a>
<FONT color="green">2111</FONT>         * containing information contained in the given path in the format<a name="line.2111"></a>
<FONT color="green">2112</FONT>         * determined by the &lt;code&gt; parser &lt;/code&gt; parameter.   Null will be<a name="line.2112"></a>
<FONT color="green">2113</FONT>         * returned if a data connection cannot be opened.  If the current working<a name="line.2113"></a>
<FONT color="green">2114</FONT>         * directory contains no files, an empty array will be the return.<a name="line.2114"></a>
<FONT color="green">2115</FONT>         *<a name="line.2115"></a>
<FONT color="green">2116</FONT>         * @exception FTPConnectionClosedException<a name="line.2116"></a>
<FONT color="green">2117</FONT>         *                   If the FTP server prematurely closes the connection as a result<a name="line.2117"></a>
<FONT color="green">2118</FONT>         *                   of the client being idle or some other reason causing the server<a name="line.2118"></a>
<FONT color="green">2119</FONT>         *                   to send FTP reply code 421.  This exception may be caught either<a name="line.2119"></a>
<FONT color="green">2120</FONT>         *                   as an IOException or independently as itself.<a name="line.2120"></a>
<FONT color="green">2121</FONT>         * @exception IOException<a name="line.2121"></a>
<FONT color="green">2122</FONT>         *                   If an I/O error occurs while either sending a<a name="line.2122"></a>
<FONT color="green">2123</FONT>         *                   command to the server or receiving a reply from the server.<a name="line.2123"></a>
<FONT color="green">2124</FONT>         * @exception ParserInitializationException<a name="line.2124"></a>
<FONT color="green">2125</FONT>         *                   Thrown if the autodetect mechanism cannot<a name="line.2125"></a>
<FONT color="green">2126</FONT>         *                   resolve the type of system we are connected with.<a name="line.2126"></a>
<FONT color="green">2127</FONT>         * @see FTPListParseEngine<a name="line.2127"></a>
<FONT color="green">2128</FONT>         */<a name="line.2128"></a>
<FONT color="green">2129</FONT>        public FTPListParseEngine initiateListParsing()<a name="line.2129"></a>
<FONT color="green">2130</FONT>        throws IOException<a name="line.2130"></a>
<FONT color="green">2131</FONT>        {<a name="line.2131"></a>
<FONT color="green">2132</FONT>            return initiateListParsing((String) null);<a name="line.2132"></a>
<FONT color="green">2133</FONT>        }<a name="line.2133"></a>
<FONT color="green">2134</FONT>    <a name="line.2134"></a>
<FONT color="green">2135</FONT>        /**<a name="line.2135"></a>
<FONT color="green">2136</FONT>         * Using the default autodetect mechanism, initialize an FTPListParseEngine<a name="line.2136"></a>
<FONT color="green">2137</FONT>         * object containing a raw file information for the supplied directory.<a name="line.2137"></a>
<FONT color="green">2138</FONT>         * This information is obtained through the LIST command.  This object<a name="line.2138"></a>
<FONT color="green">2139</FONT>         * is then capable of being iterated to return a sequence of FTPFile<a name="line.2139"></a>
<FONT color="green">2140</FONT>         * objects with information filled in by the<a name="line.2140"></a>
<FONT color="green">2141</FONT>         * &lt;code&gt; FTPFileEntryParser &lt;/code&gt; used.<a name="line.2141"></a>
<FONT color="green">2142</FONT>         * &lt;p&gt;<a name="line.2142"></a>
<FONT color="green">2143</FONT>         * The server may or may not expand glob expressions.  You should avoid<a name="line.2143"></a>
<FONT color="green">2144</FONT>         * using glob expressions because the return format for glob listings<a name="line.2144"></a>
<FONT color="green">2145</FONT>         * differs from server to server and will likely cause this method to fail.<a name="line.2145"></a>
<FONT color="green">2146</FONT>         * &lt;p&gt;<a name="line.2146"></a>
<FONT color="green">2147</FONT>         * This method differs from using the listFiles() methods in that<a name="line.2147"></a>
<FONT color="green">2148</FONT>         * expensive FTPFile objects are not created until needed which may be<a name="line.2148"></a>
<FONT color="green">2149</FONT>         * an advantage on large lists.<a name="line.2149"></a>
<FONT color="green">2150</FONT>         * &lt;p&gt;<a name="line.2150"></a>
<FONT color="green">2151</FONT>         * &lt;pre&gt;<a name="line.2151"></a>
<FONT color="green">2152</FONT>         *    FTPClient f=FTPClient();<a name="line.2152"></a>
<FONT color="green">2153</FONT>         *    f.connect(server);<a name="line.2153"></a>
<FONT color="green">2154</FONT>         *    f.login(username, password);<a name="line.2154"></a>
<FONT color="green">2155</FONT>         *    FTPListParseEngine engine = f.initiateListParsing(directory);<a name="line.2155"></a>
<FONT color="green">2156</FONT>         *<a name="line.2156"></a>
<FONT color="green">2157</FONT>         *    while (engine.hasNext()) {<a name="line.2157"></a>
<FONT color="green">2158</FONT>         *       FTPFile[] files = engine.getNext(25);  // "page size" you want<a name="line.2158"></a>
<FONT color="green">2159</FONT>         *       //do whatever you want with these files, display them, etc.<a name="line.2159"></a>
<FONT color="green">2160</FONT>         *       //expensive FTPFile objects not created until needed.<a name="line.2160"></a>
<FONT color="green">2161</FONT>         *    }<a name="line.2161"></a>
<FONT color="green">2162</FONT>         * &lt;/pre&gt;<a name="line.2162"></a>
<FONT color="green">2163</FONT>         *<a name="line.2163"></a>
<FONT color="green">2164</FONT>         * @return A FTPListParseEngine object that holds the raw information and<a name="line.2164"></a>
<FONT color="green">2165</FONT>         * is capable of providing parsed FTPFile objects, one for each file<a name="line.2165"></a>
<FONT color="green">2166</FONT>         * containing information contained in the given path in the format<a name="line.2166"></a>
<FONT color="green">2167</FONT>         * determined by the &lt;code&gt; parser &lt;/code&gt; parameter.   Null will be<a name="line.2167"></a>
<FONT color="green">2168</FONT>         * returned if a data connection cannot be opened.  If the current working<a name="line.2168"></a>
<FONT color="green">2169</FONT>         * directory contains no files, an empty array will be the return.<a name="line.2169"></a>
<FONT color="green">2170</FONT>         *<a name="line.2170"></a>
<FONT color="green">2171</FONT>         * @exception FTPConnectionClosedException<a name="line.2171"></a>
<FONT color="green">2172</FONT>         *                   If the FTP server prematurely closes the connection as a result<a name="line.2172"></a>
<FONT color="green">2173</FONT>         *                   of the client being idle or some other reason causing the server<a name="line.2173"></a>
<FONT color="green">2174</FONT>         *                   to send FTP reply code 421.  This exception may be caught either<a name="line.2174"></a>
<FONT color="green">2175</FONT>         *                   as an IOException or independently as itself.<a name="line.2175"></a>
<FONT color="green">2176</FONT>         * @exception IOException<a name="line.2176"></a>
<FONT color="green">2177</FONT>         *                   If an I/O error occurs while either sending a<a name="line.2177"></a>
<FONT color="green">2178</FONT>         *                   command to the server or receiving a reply from the server.<a name="line.2178"></a>
<FONT color="green">2179</FONT>         * @exception ParserInitializationException<a name="line.2179"></a>
<FONT color="green">2180</FONT>         *                   Thrown if the autodetect mechanism cannot<a name="line.2180"></a>
<FONT color="green">2181</FONT>         *                   resolve the type of system we are connected with.<a name="line.2181"></a>
<FONT color="green">2182</FONT>         * @see FTPListParseEngine<a name="line.2182"></a>
<FONT color="green">2183</FONT>         */<a name="line.2183"></a>
<FONT color="green">2184</FONT>        public FTPListParseEngine initiateListParsing(<a name="line.2184"></a>
<FONT color="green">2185</FONT>                String pathname)<a name="line.2185"></a>
<FONT color="green">2186</FONT>        throws IOException<a name="line.2186"></a>
<FONT color="green">2187</FONT>        {<a name="line.2187"></a>
<FONT color="green">2188</FONT>            String key = null;<a name="line.2188"></a>
<FONT color="green">2189</FONT>            return initiateListParsing(key, pathname);<a name="line.2189"></a>
<FONT color="green">2190</FONT>        }<a name="line.2190"></a>
<FONT color="green">2191</FONT>    <a name="line.2191"></a>
<FONT color="green">2192</FONT>        /**<a name="line.2192"></a>
<FONT color="green">2193</FONT>         * Using the supplied parser key, initialize an FTPListParseEngine<a name="line.2193"></a>
<FONT color="green">2194</FONT>         * object containing a raw file information for the supplied directory.<a name="line.2194"></a>
<FONT color="green">2195</FONT>         * This information is obtained through the LIST command.  This object<a name="line.2195"></a>
<FONT color="green">2196</FONT>         * is then capable of being iterated to return a sequence of FTPFile<a name="line.2196"></a>
<FONT color="green">2197</FONT>         * objects with information filled in by the<a name="line.2197"></a>
<FONT color="green">2198</FONT>         * &lt;code&gt; FTPFileEntryParser &lt;/code&gt; used.<a name="line.2198"></a>
<FONT color="green">2199</FONT>         * &lt;p&gt;<a name="line.2199"></a>
<FONT color="green">2200</FONT>         * The server may or may not expand glob expressions.  You should avoid<a name="line.2200"></a>
<FONT color="green">2201</FONT>         * using glob expressions because the return format for glob listings<a name="line.2201"></a>
<FONT color="green">2202</FONT>         * differs from server to server and will likely cause this method to fail.<a name="line.2202"></a>
<FONT color="green">2203</FONT>         * &lt;p&gt;<a name="line.2203"></a>
<FONT color="green">2204</FONT>         * This method differs from using the listFiles() methods in that<a name="line.2204"></a>
<FONT color="green">2205</FONT>         * expensive FTPFile objects are not created until needed which may be<a name="line.2205"></a>
<FONT color="green">2206</FONT>         * an advantage on large lists.<a name="line.2206"></a>
<FONT color="green">2207</FONT>         *<a name="line.2207"></a>
<FONT color="green">2208</FONT>         * @param parserKey A string representing a designated code or fully-qualified<a name="line.2208"></a>
<FONT color="green">2209</FONT>         * class name of an  &lt;code&gt; FTPFileEntryParser &lt;/code&gt; that should be<a name="line.2209"></a>
<FONT color="green">2210</FONT>         *               used to parse each server file listing.<a name="line.2210"></a>
<FONT color="green">2211</FONT>         *<a name="line.2211"></a>
<FONT color="green">2212</FONT>         * @return A FTPListParseEngine object that holds the raw information and<a name="line.2212"></a>
<FONT color="green">2213</FONT>         * is capable of providing parsed FTPFile objects, one for each file<a name="line.2213"></a>
<FONT color="green">2214</FONT>         * containing information contained in the given path in the format<a name="line.2214"></a>
<FONT color="green">2215</FONT>         * determined by the &lt;code&gt; parser &lt;/code&gt; parameter.   Null will be<a name="line.2215"></a>
<FONT color="green">2216</FONT>         * returned if a data connection cannot be opened.  If the current working<a name="line.2216"></a>
<FONT color="green">2217</FONT>         * directory contains no files, an empty array will be the return.<a name="line.2217"></a>
<FONT color="green">2218</FONT>         *<a name="line.2218"></a>
<FONT color="green">2219</FONT>         * @exception FTPConnectionClosedException<a name="line.2219"></a>
<FONT color="green">2220</FONT>         *                   If the FTP server prematurely closes the connection as a result<a name="line.2220"></a>
<FONT color="green">2221</FONT>         *                   of the client being idle or some other reason causing the server<a name="line.2221"></a>
<FONT color="green">2222</FONT>         *                   to send FTP reply code 421.  This exception may be caught either<a name="line.2222"></a>
<FONT color="green">2223</FONT>         *                   as an IOException or independently as itself.<a name="line.2223"></a>
<FONT color="green">2224</FONT>         * @exception IOException<a name="line.2224"></a>
<FONT color="green">2225</FONT>         *                   If an I/O error occurs while either sending a<a name="line.2225"></a>
<FONT color="green">2226</FONT>         *                   command to the server or receiving a reply from the server.<a name="line.2226"></a>
<FONT color="green">2227</FONT>         * @exception ParserInitializationException<a name="line.2227"></a>
<FONT color="green">2228</FONT>         *                   Thrown if the parserKey parameter cannot be<a name="line.2228"></a>
<FONT color="green">2229</FONT>         *                   resolved by the selected parser factory.<a name="line.2229"></a>
<FONT color="green">2230</FONT>         *                   In the DefaultFTPEntryParserFactory, this will<a name="line.2230"></a>
<FONT color="green">2231</FONT>         *                   happen when parserKey is neither<a name="line.2231"></a>
<FONT color="green">2232</FONT>         *                   the fully qualified class name of a class<a name="line.2232"></a>
<FONT color="green">2233</FONT>         *                   implementing the interface<a name="line.2233"></a>
<FONT color="green">2234</FONT>         *                   org.apache.commons.net.ftp.FTPFileEntryParser<a name="line.2234"></a>
<FONT color="green">2235</FONT>         *                   nor a string containing one of the recognized keys<a name="line.2235"></a>
<FONT color="green">2236</FONT>         *                   mapping to such a parser or if class loader<a name="line.2236"></a>
<FONT color="green">2237</FONT>         *                   security issues prevent its being loaded.<a name="line.2237"></a>
<FONT color="green">2238</FONT>         * @see FTPListParseEngine<a name="line.2238"></a>
<FONT color="green">2239</FONT>         */<a name="line.2239"></a>
<FONT color="green">2240</FONT>        public FTPListParseEngine initiateListParsing(<a name="line.2240"></a>
<FONT color="green">2241</FONT>                String parserKey, String pathname)<a name="line.2241"></a>
<FONT color="green">2242</FONT>        throws IOException<a name="line.2242"></a>
<FONT color="green">2243</FONT>        {<a name="line.2243"></a>
<FONT color="green">2244</FONT>            // We cache the value to avoid creation of a new object every<a name="line.2244"></a>
<FONT color="green">2245</FONT>            // time a file listing is generated.<a name="line.2245"></a>
<FONT color="green">2246</FONT>            if(__entryParser == null) {<a name="line.2246"></a>
<FONT color="green">2247</FONT>                if (null != parserKey) {<a name="line.2247"></a>
<FONT color="green">2248</FONT>                    // if a parser key was supplied in the parameters, <a name="line.2248"></a>
<FONT color="green">2249</FONT>                    // use that to create the paraser<a name="line.2249"></a>
<FONT color="green">2250</FONT>                    __entryParser = <a name="line.2250"></a>
<FONT color="green">2251</FONT>                        __parserFactory.createFileEntryParser(parserKey);<a name="line.2251"></a>
<FONT color="green">2252</FONT>                    <a name="line.2252"></a>
<FONT color="green">2253</FONT>                } else {<a name="line.2253"></a>
<FONT color="green">2254</FONT>                    // if no parserKey was supplied, check for a configuration<a name="line.2254"></a>
<FONT color="green">2255</FONT>                    // in the params, and if non-null, use that.<a name="line.2255"></a>
<FONT color="green">2256</FONT>                    if (null != __configuration) {<a name="line.2256"></a>
<FONT color="green">2257</FONT>                        __entryParser = <a name="line.2257"></a>
<FONT color="green">2258</FONT>                            __parserFactory.createFileEntryParser(__configuration);<a name="line.2258"></a>
<FONT color="green">2259</FONT>                    } else {<a name="line.2259"></a>
<FONT color="green">2260</FONT>                        // if a parserKey hasn't been supplied, and a configuration<a name="line.2260"></a>
<FONT color="green">2261</FONT>                        // hasn't been supplied, then autodetect by calling<a name="line.2261"></a>
<FONT color="green">2262</FONT>                        // the SYST command and use that to choose the parser.<a name="line.2262"></a>
<FONT color="green">2263</FONT>                        __entryParser = <a name="line.2263"></a>
<FONT color="green">2264</FONT>                            __parserFactory.createFileEntryParser(getSystemName());<a name="line.2264"></a>
<FONT color="green">2265</FONT>                    }<a name="line.2265"></a>
<FONT color="green">2266</FONT>                }<a name="line.2266"></a>
<FONT color="green">2267</FONT>            }<a name="line.2267"></a>
<FONT color="green">2268</FONT>    <a name="line.2268"></a>
<FONT color="green">2269</FONT>            return initiateListParsing(__entryParser, pathname);<a name="line.2269"></a>
<FONT color="green">2270</FONT>    <a name="line.2270"></a>
<FONT color="green">2271</FONT>        }<a name="line.2271"></a>
<FONT color="green">2272</FONT>    <a name="line.2272"></a>
<FONT color="green">2273</FONT>    <a name="line.2273"></a>
<FONT color="green">2274</FONT>        /**<a name="line.2274"></a>
<FONT color="green">2275</FONT>         * private method through which all listFiles() and<a name="line.2275"></a>
<FONT color="green">2276</FONT>         * initiateListParsing methods pass once a parser is determined.<a name="line.2276"></a>
<FONT color="green">2277</FONT>         *<a name="line.2277"></a>
<FONT color="green">2278</FONT>         * @exception FTPConnectionClosedException<a name="line.2278"></a>
<FONT color="green">2279</FONT>         *                   If the FTP server prematurely closes the connection as a result<a name="line.2279"></a>
<FONT color="green">2280</FONT>         *                   of the client being idle or some other reason causing the server<a name="line.2280"></a>
<FONT color="green">2281</FONT>         *                   to send FTP reply code 421.  This exception may be caught either<a name="line.2281"></a>
<FONT color="green">2282</FONT>         *                   as an IOException or independently as itself.<a name="line.2282"></a>
<FONT color="green">2283</FONT>         * @exception IOException<a name="line.2283"></a>
<FONT color="green">2284</FONT>         *                   If an I/O error occurs while either sending a<a name="line.2284"></a>
<FONT color="green">2285</FONT>         *                   command to the server or receiving a reply from the server.<a name="line.2285"></a>
<FONT color="green">2286</FONT>         * @see FTPListParseEngine<a name="line.2286"></a>
<FONT color="green">2287</FONT>         */<a name="line.2287"></a>
<FONT color="green">2288</FONT>        private FTPListParseEngine initiateListParsing(<a name="line.2288"></a>
<FONT color="green">2289</FONT>                FTPFileEntryParser parser, String pathname)<a name="line.2289"></a>
<FONT color="green">2290</FONT>        throws IOException<a name="line.2290"></a>
<FONT color="green">2291</FONT>        {<a name="line.2291"></a>
<FONT color="green">2292</FONT>            Socket socket;<a name="line.2292"></a>
<FONT color="green">2293</FONT>    <a name="line.2293"></a>
<FONT color="green">2294</FONT>            FTPListParseEngine engine = new FTPListParseEngine(parser);<a name="line.2294"></a>
<FONT color="green">2295</FONT>    <a name="line.2295"></a>
<FONT color="green">2296</FONT>            if ((socket = _openDataConnection_(FTPCommand.LIST, getListArguments(pathname))) == null)<a name="line.2296"></a>
<FONT color="green">2297</FONT>            {<a name="line.2297"></a>
<FONT color="green">2298</FONT>                return engine;<a name="line.2298"></a>
<FONT color="green">2299</FONT>            }<a name="line.2299"></a>
<FONT color="green">2300</FONT>    <a name="line.2300"></a>
<FONT color="green">2301</FONT>    <a name="line.2301"></a>
<FONT color="green">2302</FONT>            try {<a name="line.2302"></a>
<FONT color="green">2303</FONT>                engine.readServerList(socket.getInputStream(), getControlEncoding());<a name="line.2303"></a>
<FONT color="green">2304</FONT>            }<a name="line.2304"></a>
<FONT color="green">2305</FONT>            finally {<a name="line.2305"></a>
<FONT color="green">2306</FONT>                socket.close();<a name="line.2306"></a>
<FONT color="green">2307</FONT>            }<a name="line.2307"></a>
<FONT color="green">2308</FONT>    <a name="line.2308"></a>
<FONT color="green">2309</FONT>            completePendingCommand();<a name="line.2309"></a>
<FONT color="green">2310</FONT>            return engine;<a name="line.2310"></a>
<FONT color="green">2311</FONT>        }<a name="line.2311"></a>
<FONT color="green">2312</FONT>    <a name="line.2312"></a>
<FONT color="green">2313</FONT>        /**<a name="line.2313"></a>
<FONT color="green">2314</FONT>         * @since 2.0<a name="line.2314"></a>
<FONT color="green">2315</FONT>         */<a name="line.2315"></a>
<FONT color="green">2316</FONT>        protected String getListArguments(String pathname) {<a name="line.2316"></a>
<FONT color="green">2317</FONT>            if (getListHiddenFiles())<a name="line.2317"></a>
<FONT color="green">2318</FONT>            {<a name="line.2318"></a>
<FONT color="green">2319</FONT>                StringBuffer sb = new StringBuffer(pathname.length() + 3);<a name="line.2319"></a>
<FONT color="green">2320</FONT>                sb.append("-a ");<a name="line.2320"></a>
<FONT color="green">2321</FONT>                sb.append(pathname);<a name="line.2321"></a>
<FONT color="green">2322</FONT>                return sb.toString();<a name="line.2322"></a>
<FONT color="green">2323</FONT>            }<a name="line.2323"></a>
<FONT color="green">2324</FONT>            <a name="line.2324"></a>
<FONT color="green">2325</FONT>            return pathname;<a name="line.2325"></a>
<FONT color="green">2326</FONT>        }<a name="line.2326"></a>
<FONT color="green">2327</FONT>    <a name="line.2327"></a>
<FONT color="green">2328</FONT>    <a name="line.2328"></a>
<FONT color="green">2329</FONT>        /***<a name="line.2329"></a>
<FONT color="green">2330</FONT>         * Issue the FTP STAT command to the server.<a name="line.2330"></a>
<FONT color="green">2331</FONT>         * &lt;p&gt;<a name="line.2331"></a>
<FONT color="green">2332</FONT>         * @return The status information returned by the server.<a name="line.2332"></a>
<FONT color="green">2333</FONT>         * @exception FTPConnectionClosedException<a name="line.2333"></a>
<FONT color="green">2334</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.2334"></a>
<FONT color="green">2335</FONT>         *      of the client being idle or some other reason causing the server<a name="line.2335"></a>
<FONT color="green">2336</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.2336"></a>
<FONT color="green">2337</FONT>         *      as an IOException or independently as itself.<a name="line.2337"></a>
<FONT color="green">2338</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.2338"></a>
<FONT color="green">2339</FONT>         *      command to the server or receiving a reply from the server.<a name="line.2339"></a>
<FONT color="green">2340</FONT>         ***/<a name="line.2340"></a>
<FONT color="green">2341</FONT>        public String getStatus() throws IOException<a name="line.2341"></a>
<FONT color="green">2342</FONT>        {<a name="line.2342"></a>
<FONT color="green">2343</FONT>            if (FTPReply.isPositiveCompletion(stat()))<a name="line.2343"></a>
<FONT color="green">2344</FONT>                return getReplyString();<a name="line.2344"></a>
<FONT color="green">2345</FONT>            return null;<a name="line.2345"></a>
<FONT color="green">2346</FONT>        }<a name="line.2346"></a>
<FONT color="green">2347</FONT>    <a name="line.2347"></a>
<FONT color="green">2348</FONT>    <a name="line.2348"></a>
<FONT color="green">2349</FONT>        /***<a name="line.2349"></a>
<FONT color="green">2350</FONT>         * Issue the FTP STAT command to the server for a given pathname.  This<a name="line.2350"></a>
<FONT color="green">2351</FONT>         * should produce a listing of the file or directory.<a name="line.2351"></a>
<FONT color="green">2352</FONT>         * &lt;p&gt;<a name="line.2352"></a>
<FONT color="green">2353</FONT>         * @return The status information returned by the server.<a name="line.2353"></a>
<FONT color="green">2354</FONT>         * @exception FTPConnectionClosedException<a name="line.2354"></a>
<FONT color="green">2355</FONT>         *      If the FTP server prematurely closes the connection as a result<a name="line.2355"></a>
<FONT color="green">2356</FONT>         *      of the client being idle or some other reason causing the server<a name="line.2356"></a>
<FONT color="green">2357</FONT>         *      to send FTP reply code 421.  This exception may be caught either<a name="line.2357"></a>
<FONT color="green">2358</FONT>         *      as an IOException or independently as itself.<a name="line.2358"></a>
<FONT color="green">2359</FONT>         * @exception IOException  If an I/O error occurs while either sending a<a name="line.2359"></a>
<FONT color="green">2360</FONT>         *      command to the server or receiving a reply from the server.<a name="line.2360"></a>
<FONT color="green">2361</FONT>         ***/<a name="line.2361"></a>
<FONT color="green">2362</FONT>        public String getStatus(String pathname) throws IOException<a name="line.2362"></a>
<FONT color="green">2363</FONT>        {<a name="line.2363"></a>
<FONT color="green">2364</FONT>            if (FTPReply.isPositiveCompletion(stat(pathname)))<a name="line.2364"></a>
<FONT color="green">2365</FONT>                return getReplyString();<a name="line.2365"></a>
<FONT color="green">2366</FONT>            return null;<a name="line.2366"></a>
<FONT color="green">2367</FONT>        }<a name="line.2367"></a>
<FONT color="green">2368</FONT>        <a name="line.2368"></a>
<FONT color="green">2369</FONT>        <a name="line.2369"></a>
<FONT color="green">2370</FONT>        /**<a name="line.2370"></a>
<FONT color="green">2371</FONT>         * Issue the FTP MDTM command (not supported by all servers to retrieve the last<a name="line.2371"></a>
<FONT color="green">2372</FONT>         * modification time of a file. The modification string should be in the <a name="line.2372"></a>
<FONT color="green">2373</FONT>         * ISO 3077 form "YYYYMMDDhhmmss(.xxx)?". The timestamp represented should also be in <a name="line.2373"></a>
<FONT color="green">2374</FONT>         * GMT, but not all FTP servers honour this.<a name="line.2374"></a>
<FONT color="green">2375</FONT>         * <a name="line.2375"></a>
<FONT color="green">2376</FONT>         * @param pathname The file path to query.<a name="line.2376"></a>
<FONT color="green">2377</FONT>         * @return A string representing the last file modification time in &lt;code&gt;YYYYMMDDhhmmss&lt;/code&gt; format.<a name="line.2377"></a>
<FONT color="green">2378</FONT>         * @throws IOException if an I/O error occurs.<a name="line.2378"></a>
<FONT color="green">2379</FONT>         * @since 2.0<a name="line.2379"></a>
<FONT color="green">2380</FONT>         */<a name="line.2380"></a>
<FONT color="green">2381</FONT>        public String getModificationTime(String pathname) throws IOException {<a name="line.2381"></a>
<FONT color="green">2382</FONT>            if (FTPReply.isPositiveCompletion(mdtm(pathname)))<a name="line.2382"></a>
<FONT color="green">2383</FONT>                return getReplyString();<a name="line.2383"></a>
<FONT color="green">2384</FONT>            return null;<a name="line.2384"></a>
<FONT color="green">2385</FONT>        }<a name="line.2385"></a>
<FONT color="green">2386</FONT>    <a name="line.2386"></a>
<FONT color="green">2387</FONT>    <a name="line.2387"></a>
<FONT color="green">2388</FONT>        /**<a name="line.2388"></a>
<FONT color="green">2389</FONT>         * Set the internal buffer size.<a name="line.2389"></a>
<FONT color="green">2390</FONT>         *  <a name="line.2390"></a>
<FONT color="green">2391</FONT>         * @param bufSize The size of the buffer<a name="line.2391"></a>
<FONT color="green">2392</FONT>         */<a name="line.2392"></a>
<FONT color="green">2393</FONT>        public void setBufferSize(int bufSize) {<a name="line.2393"></a>
<FONT color="green">2394</FONT>            __bufferSize = bufSize;<a name="line.2394"></a>
<FONT color="green">2395</FONT>        }<a name="line.2395"></a>
<FONT color="green">2396</FONT>        <a name="line.2396"></a>
<FONT color="green">2397</FONT>        /**<a name="line.2397"></a>
<FONT color="green">2398</FONT>         * Retrieve the current internal buffer size.<a name="line.2398"></a>
<FONT color="green">2399</FONT>         * @return The current buffer size.<a name="line.2399"></a>
<FONT color="green">2400</FONT>         */<a name="line.2400"></a>
<FONT color="green">2401</FONT>        public int getBufferSize() {<a name="line.2401"></a>
<FONT color="green">2402</FONT>            return __bufferSize;<a name="line.2402"></a>
<FONT color="green">2403</FONT>        }<a name="line.2403"></a>
<FONT color="green">2404</FONT>    <a name="line.2404"></a>
<FONT color="green">2405</FONT>    <a name="line.2405"></a>
<FONT color="green">2406</FONT>        /** <a name="line.2406"></a>
<FONT color="green">2407</FONT>         * Implementation of the {@link Configurable Configurable} interface. <a name="line.2407"></a>
<FONT color="green">2408</FONT>         * In the case of this class, configuring merely makes the config object available for the<a name="line.2408"></a>
<FONT color="green">2409</FONT>         * factory methods that construct parsers.<a name="line.2409"></a>
<FONT color="green">2410</FONT>         * @param config {@link FTPClientConfig FTPClientConfig} object used to <a name="line.2410"></a>
<FONT color="green">2411</FONT>         * provide non-standard configurations to the parser.<a name="line.2411"></a>
<FONT color="green">2412</FONT>         * @since 1.4<a name="line.2412"></a>
<FONT color="green">2413</FONT>         */<a name="line.2413"></a>
<FONT color="green">2414</FONT>        public void configure(FTPClientConfig config) {<a name="line.2414"></a>
<FONT color="green">2415</FONT>            this.__configuration = config;<a name="line.2415"></a>
<FONT color="green">2416</FONT>        }<a name="line.2416"></a>
<FONT color="green">2417</FONT>    <a name="line.2417"></a>
<FONT color="green">2418</FONT>        /**<a name="line.2418"></a>
<FONT color="green">2419</FONT>         * You can set this to true if you would like to get hidden files when {@link #listFiles} too.<a name="line.2419"></a>
<FONT color="green">2420</FONT>         * A &lt;code&gt;LIST -a&lt;/code&gt; will be issued to the ftp server.<a name="line.2420"></a>
<FONT color="green">2421</FONT>         * It depends on your ftp server if you need to call this method, also dont expect to get rid<a name="line.2421"></a>
<FONT color="green">2422</FONT>         * of hidden files if you call this method with "false".<a name="line.2422"></a>
<FONT color="green">2423</FONT>         * <a name="line.2423"></a>
<FONT color="green">2424</FONT>         * @param listHiddenFiles true if hidden files should be listed <a name="line.2424"></a>
<FONT color="green">2425</FONT>         * @since 2.0<a name="line.2425"></a>
<FONT color="green">2426</FONT>         */<a name="line.2426"></a>
<FONT color="green">2427</FONT>        public void setListHiddenFiles(boolean listHiddenFiles) {<a name="line.2427"></a>
<FONT color="green">2428</FONT>            this.__listHiddenFiles = listHiddenFiles;<a name="line.2428"></a>
<FONT color="green">2429</FONT>        }<a name="line.2429"></a>
<FONT color="green">2430</FONT>    <a name="line.2430"></a>
<FONT color="green">2431</FONT>        /**<a name="line.2431"></a>
<FONT color="green">2432</FONT>         * @see #setListHiddenFiles(boolean)<a name="line.2432"></a>
<FONT color="green">2433</FONT>         * @return the current state<a name="line.2433"></a>
<FONT color="green">2434</FONT>         * @since 2.0<a name="line.2434"></a>
<FONT color="green">2435</FONT>         */<a name="line.2435"></a>
<FONT color="green">2436</FONT>        public boolean getListHiddenFiles() {<a name="line.2436"></a>
<FONT color="green">2437</FONT>            return this.__listHiddenFiles;<a name="line.2437"></a>
<FONT color="green">2438</FONT>        }<a name="line.2438"></a>
<FONT color="green">2439</FONT>    }<a name="line.2439"></a>
<FONT color="green">2440</FONT>    <a name="line.2440"></a>
<FONT color="green">2441</FONT>    /* Emacs configuration<a name="line.2441"></a>
<FONT color="green">2442</FONT>     * Local variables:        **<a name="line.2442"></a>
<FONT color="green">2443</FONT>     * mode:             java  **<a name="line.2443"></a>
<FONT color="green">2444</FONT>     * c-basic-offset:   4     **<a name="line.2444"></a>
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